A centrifugal fan impeller that is easy to disassemble and assemble

Abstract

The utility model relates to the technical field of centrifugal fan impellers, and discloses a centrifugal fan impeller that is easy to disassemble and assemble, including a support block and a shell, the rear side of the shell is fixedly connected with a motor, the output end of the motor is fixedly connected with a screw, the screw is threadedly connected inside a threaded hole, the threaded hole is arranged on the rear side of a fixing column, the front side of the fixing column is fixedly connected with an impeller body, the front side of the shell is fixedly connected with a ventilation duct, the upper side of the ventilation duct is provided with a slide groove, the interior of the slide groove is slidably connected with a filter screen, the upper side of the filter screen is fixedly connected with a pull rod, and both sides of the filter screen are fixedly connected with a fixing assembly. In the utility model, convenient dust collection and treatment are achieved, and the device structure is simple and easy to disassemble and assemble, and is convenient for production and manufacturing, and stable support is achieved for the centrifugal fan impeller, ensuring the stability and safety of the impeller body during operation.

Description

Technical Field

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

[0002] A centrifugal fan is a machine that uses mechanical energy to increase gas pressure and then transports the gas out. It is one of the four major components in a dust removal and ventilation system. A centrifugal fan is a type of impeller machine that is widely used in various fields such as energy, environment, and aviation. It is one of the main energy-consuming equipment in industrial and agricultural production.

[0003] After searching, the announcement number CN216111445U discloses a high-pressure centrifugal fan impeller. Although the patent technology includes a wheel cover, blades, a wheel disc and a shaft disc, the wheel disc is fixed to the shaft disc by fasteners, and a plurality of arc-shaped blades are fixed between the wheel cover and the wheel disc, and a cylindrical steel bar structure for reinforcement is fixed between two adjacent arc-shaped blades. The utility model adopts such a structural setting and uses a cylindrical steel bar structure for reinforcement. Compared with the prior art using a reinforcing steel plate, it saves material costs, is easy to manufacture, and has a low labor time and high efficiency, thereby saving costs and improving work efficiency. However, when the above device needs to be repaired due to an internal fault, it is inconvenient to disassemble and assemble, and the problem of rapid disassembly and assembly of the motor and the impeller cannot be achieved, thereby reducing the service life of the device. Therefore, those skilled in the art provide a centrifugal fan impeller that is easy to disassemble and assemble to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a centrifugal fan impeller that is easy to disassemble and assemble, aiming to improve the problem in the prior art that when an internal fault occurs and maintenance is required, it is inconvenient to disassemble and assemble, and the motor and impeller cannot be quickly disassembled and assembled.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal fan impeller that is easy to disassemble and assemble, comprising a support block and a shell, the rear side of the shell is fixedly connected to a motor, the output end of the motor is fixedly connected to a screw, the screw is threadedly connected to the inside of a threaded hole, the threaded hole is arranged on the rear side of a fixing column, the front side of the fixing column is fixedly connected to an impeller body, the front side of the shell is fixedly connected to a ventilation duct, a slide groove is provided on the upper side of the ventilation duct, a filter screen is slidably connected to the inside of the slide groove, a pull rod is fixedly connected to the upper side of the filter screen, both sides of the filter screen are fixedly connected to fixing components, and an activated carbon layer is arranged inside the fixing component.

[0006] Furthermore, the fixing assembly includes a first mounting plate, the first mounting plate is fixedly connected to both sides of the filter screen, the two sides of the ventilation duct are fixedly connected to the second mounting plate, and the first mounting plate and the second mounting plate are both threadedly connected with bolts inside.

[0007] Furthermore, grooves are provided on both sides of the upper part of the support block, the inner part of the groove is slidably connected to a limit block, the inner part of the limit block is slidably connected to an insertion rod, the insertion rod is slidably connected to the inside of a fixed plate, a spring is provided on the outside of the insertion rod, the distal end of the insertion rod is fixedly connected to a movable plate, and the distal side of the fixed plate is fixedly connected to a movable component.

[0008] Furthermore, the moving assembly includes a support rod, the support rod is fixedly connected to the side of the fixed plate that is away from the support rod, the outer part of the support rod is slidably connected to the moving plate, and the end of the support rod that is away from the support rod is fixedly connected to the connecting plate.

[0009] Furthermore, the filter screen is slidably connected to the inside of the ventilation duct.

[0010] Furthermore, the fixing plate is fixedly connected to two sides of the supporting block.

[0011] Furthermore, the shell is slidably connected to the upper side of the support block.

[0012] Furthermore, one end of the spring is fixedly connected to the side of the fixed plate that is farther away, and the other end of the spring is fixedly connected to the side of the movable plate that is closer.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the impeller body, the fixing column, the threaded hole, the screw, the bolt, the first mounting plate, the second mounting plate, the pull rod, the filter screen, the slide groove and other structures are used in coordination with each other, so that the dust can be collected and processed conveniently, and the device structure is simple and easy to disassemble and assemble, so it is convenient for production and manufacturing.

[0015] 2. In the utility model, by coordinating the use of structures such as the movable plate, the support rod, the plug rod, the support block, the fixed plate, the spring, the housing, the limit block, the groove and the like, a stable support for the centrifugal fan impeller is achieved, thereby ensuring the stability and safety of the impeller body during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a centrifugal fan impeller that is easy to disassemble and assemble proposed by the utility model;

[0017] Figure 2 This is a rear view of a centrifugal fan impeller that is easy to disassemble and assemble proposed by the utility model;

[0018] Figure 3 This is a partial structural disassembly diagram of a centrifugal fan impeller that is easy to disassemble and assemble proposed by the utility model;

[0019] Figure 4 A cross-sectional view of a support block of a centrifugal fan impeller that is easy to disassemble and assemble proposed by the utility model;

[0020] Figure 5 The utility model provides a cross-sectional view of a ventilation duct of a centrifugal fan impeller that is easy to disassemble and assemble.

[0021] Legend:

[0022] 1. Support block; 2. Groove; 3. Limit block; 4. Insert rod; 5. Fixed plate; 6. Spring; 7. Moving plate; 8. Support rod; 9. Connecting plate; 10. Housing; 11. Motor; 12. Screw; 13. Threaded hole; 14. Fixed column; 15. Impeller body; 16. Ventilation duct; 17. Slide; 18. Filter; 19. Pull rod; 20. First mounting plate; 21. Second mounting plate; 22. Bolt; 23. Activated carbon layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 2 , Figure 3 , Figure 5 The utility model provides an embodiment: a centrifugal fan impeller that is easy to disassemble and assemble, including a support block 1 and a shell 10, a motor 11 is fixedly connected to the rear side of the shell 10, a screw 12 is fixedly connected to the output end of the motor 11, the screw 12 is threadedly connected to the inside of the threaded hole 13, the threaded hole 13 is arranged on the rear side of the fixing column 14, the front side of the fixing column 14 is fixedly connected to the impeller body 15, the front side of the shell 10 is fixedly connected to the ventilation duct 16, the upper side of the ventilation duct 16 is provided with a slide groove 17, the inside of the slide groove 17 is slidably connected with a filter screen 18, the upper side of the filter screen 18 is fixedly connected with a pull rod 19, both sides of the filter screen 18 are fixedly connected with a fixing assembly, and an activated carbon layer 23 is arranged inside the fixing assembly; the fixing assembly includes a first mounting plate 20, the first mounting plate 20 is fixedly connected to both sides of the filter screen 18, both sides of the ventilation duct 16 are fixedly connected with a second mounting plate 21, and the insides of the first mounting plate 20 and the second mounting plate 21 are threadedly connected with bolts 22.

[0025] By manually rotating the impeller body 15, the fixing column 14 and the threaded hole 13 are driven to rotate, so that the screw 12 is disengaged from the threaded hole 13, and then the bolt 22 is rotated to disengage from the first mounting plate 20 and the second mounting plate 21, and the movable pull rod 19 drives the filter 18 to slide in the slide groove 17, which facilitates the collection and treatment of dust, and the device structure is simple and easy to disassemble and assemble.

[0026] Reference Figure 1 , Figure 4 Grooves 2 are provided on both sides of the upper part of the support block 1, and the inner part of the groove 2 is slidably connected to the limit block 3, and the inner part of the limit block 3 is slidably connected to the insertion rod 4, and the insertion rod 4 is slidably connected to the inside of the fixed plate 5. A spring 6 is arranged on the outside of the insertion rod 4, and the opposite end of the insertion rod 4 is fixedly connected to a movable plate 7, and the opposite side of the fixed plate 5 is fixedly connected to a movable component; the movable component includes a support rod 8, which is fixedly connected to the opposite side of the fixed plate 5, and the outer part of the support rod 8 is slidably connected to the movable plate 7, and the opposite end of the support rod 8 is fixedly connected to a connecting plate 9.

[0027] The movable plate 7 is manually moved to slide on the outside of the support rod 8. The movement of the movable plate 7 drives the insertion rod 4 to slide inside the support block 1 and the fixed plate 5. The insertion rod 4 moves to compress the spring 6, and the shell 10 is moved. The shell 10 moves to drive the limit block 3 to be inserted into the groove 2. The movable plate 7 is released and rebounds to drive the insertion rod 4 to be inserted into the limit block 3, thereby providing stable support for the centrifugal fan impeller.

[0028] Reference Figure 1 , Figure 4 , Figure 5 The filter screen 18 is slidably connected to the inside of the ventilation duct 16; the fixed plate 5 is fixedly connected to both sides of the support block 1; the shell 10 is slidably connected to the upper side of the support block 1; one end of the spring 6 is fixedly connected to the farther side of the fixed plate 5, and the other end of the spring 6 is fixedly connected to the closer side of the movable plate 7.

[0029] The filter 18 is slidably connected to the inside of the ventilation duct 16, which facilitates the removal of the filter 18; the fixed plate 5 is fixedly connected to both sides of the support block 1, which supports and fixes the fixed plate 5; the shell 10 is slidably connected to the upper side of the support block 1, which supports the shell 10; one end of the spring 6 is fixedly connected to the farther side of the fixed plate 5, and the other end of the spring 6 is fixedly connected to the closer side of the movable plate 7, which drives the insertion rod 4 to rebound.

[0030] Working principle: when using the device, the movable plate 7 is manually moved, and the movable plate 7 slides on the outside of the support rod 8. The movable plate 7 moves to drive the insertion rod 4 to slide inside the support block 1 and the fixed plate 5. The insertion rod 4 moves to compress the spring 6, and the shell 10 is moved. The shell 10 moves to drive the limit block 3 to be inserted into the groove 2. The movable plate 7 is released and rebounds to drive the insertion rod 4 to be inserted into the limit block 3, so as to achieve stable support for the centrifugal fan impeller and ensure the stability and safety of the impeller body 15 during operation. The impeller body 15 is manually rotated, and the impeller body 15 rotates to drive the fixed column 14 to rotate. The fixed column 14 rotates to drive the threaded hole 13 to rotate, so that the screw 12 is disengaged from the threaded hole 13, and then the bolt 22 is rotated to disengage the bolt 22 from the first mounting plate 20 and the second mounting plate 21. The pull rod 19 is moved, and the pull rod 19 moves to drive the filter screen 18 to slide inside the slide groove 17, so as to facilitate the collection and treatment of dust. The device has a simple structure and is easy to disassemble and assemble, which is convenient for production and manufacturing.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A centrifugal fan impeller that is easy to assemble and disassemble, comprising a support block (1) and a housing (10), characterized in that: The rear side of the housing (10) is fixedly connected to a motor (11), the output end of the motor (11) is fixedly connected to a screw (12), the screw (12) is threadedly connected to the inside of a threaded hole (13), the threaded hole (13) is arranged on the rear side of a fixing column (14), the front side of the fixing column (14) is fixedly connected to an impeller body (15), the front side of the housing (10) is fixedly connected to a ventilation duct (16), the upper side of the ventilation duct (16) is provided with a slide groove (17), the inside of the slide groove (17) is slidably connected to a filter (18), the upper side of the filter (18) is fixedly connected to a pull rod (19), both sides of the filter (18) are fixedly connected to fixing components, and an activated carbon layer (23) is arranged inside the fixing component.

2. The centrifugal fan impeller that is easy to assemble and disassemble according to claim 1, characterized in that: The fixing assembly comprises a first mounting plate (20), the first mounting plate (20) being fixedly connected to both sides of the filter screen (18), the second mounting plates (21) being fixedly connected to both sides of the ventilation duct (16), and the first mounting plate (20) and the second mounting plate (21) being internally threadedly connected with bolts (22).

3. The centrifugal fan impeller that is easy to assemble and disassemble according to claim 1, characterized in that: Grooves (2) are provided on both sides of the upper part of the support block (1); the interior of the groove (2) is slidably connected to a limit block (3); the interior of the limit block (3) is slidably connected to an insertion rod (4); the insertion rod (4) is slidably connected to the interior of a fixed plate (5); a spring (6) is provided on the exterior of the insertion rod (4); a movable plate (7) is fixedly connected to the distal end of the insertion rod (4); and a movable component is fixedly connected to the distal side of the fixed plate (5).

4. The centrifugal fan impeller that is easy to assemble and disassemble according to claim 3, characterized in that: The moving assembly comprises a support rod (8), wherein the support rod (8) is fixedly connected to the side of the fixed plate (5) that is away from the support rod, the outside of the support rod (8) is slidably connected to the moving plate (7), and the end of the support rod (8) that is away from the support rod is fixedly connected to the connecting plate (9).

5. The centrifugal fan impeller that is easy to assemble and disassemble according to claim 1, characterized in that: The filter screen (18) is slidably connected inside the ventilation duct (16).

6. The centrifugal fan impeller that is easy to assemble and disassemble according to claim 3, characterized in that: The fixing plate (5) is fixedly connected to both sides of the supporting block (1).

7. The centrifugal fan impeller that is easy to assemble and disassemble according to claim 1, characterized in that: The housing (10) is slidably connected to the upper side of the support block (1).

8. The centrifugal fan impeller that is easy to assemble and disassemble according to claim 3, characterized in that: One end of the spring (6) is fixedly connected to the side of the fixed plate (5) that is farther away from the fixed plate (5), and the other end of the spring (6) is fixedly connected to the side of the movable plate (7) that is closer to the fixed plate (5).

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