A type of refrigerated fan blade that is easy to disassemble and assemble

Abstract

This utility model provides an easy-to-assemble and disassemble fan blade, relating to the field of home appliance technology. It includes a mounting housing and a quick-release connection assembly. The quick-release connection assembly includes a main shaft mounted on the mounting housing, with a fan blade mounted on the main shaft. A hollow tube is connected to one side of the fan blade near the bottom, and a limit rod is slidably connected inside the hollow tube. In this utility model, the fan blade is fitted onto the main shaft of the mounting housing through the hollow tube. Pulling the limit rod compresses the telescopic spring. After the fan blade is in position, the limit rod is released, and the telescopic spring resets, pushing the blade into the limit hole of the main shaft, completing the initial radial fixation. Then, the retaining plate on the fan blade is rotated, causing a second positioning block to enter the limit groove connecting the main shaft and the fan blade. The second positioning block presses against the spring inside the main shaft, and the spring elastically pushes back. Simultaneously, the end of the retaining plate engages with the retaining seat for fixation, achieving quick assembly and disassembly of the fan blade. After installation, the blade is radially and circumferentially stable, preventing loosening.

Description

Technical Field

[0001] This utility model relates to the field of home appliance technology, and in particular to a fan blade that is easy to disassemble and assemble. Background Technology

[0002] Fan blades typically have a fixed structure, which ensures normal fan operation but makes disassembly and assembly inconvenient. Users often need to spend a lot of time and effort, especially during cleaning and maintenance. In actual use, the stability and durability of fan blades are poor, and they are prone to loosening or damage. To overcome these problems, it is necessary to make disassembly and assembly convenient while ensuring the performance and lifespan of fan blades, thereby improving the user experience and market competitiveness of the product.

[0003] However, in actual use, the following shortcomings still exist. For example, the existing fan blades are not easy to quickly disassemble and assemble. After installation, they are radially and circumferentially stable and do not loosen. Disassembly and assembly require special tools, which are not easy to operate. Daily cleaning and maintenance are inconvenient, so users often reduce the frequency of cleaning, resulting in a poor experience. Furthermore, self-maintenance of vulnerable parts and entrusting professional maintenance will increase costs and maintenance costs. In terms of safety, the lack of radial and circumferential fixing and anti-loosening design makes the blades easy to loosen and shift. During operation, they may collide with the casing and generate noise. In severe cases, they may fall off and injure parts or people. Long-term vibration may also cause the limiting parts to fail. Blade imbalance can cause severe vibration of the equipment and even burn out the motor.

[0004] Therefore, this utility model proposes a cooling fan blade that is easy to disassemble and assemble to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and propose a cooling fan blade that is easy to assemble and disassemble.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a fan blade that is easy to assemble and disassemble, including a mounting shell, and further comprising: A quick-release connection assembly includes a main shaft mounted on a mounting housing, a fan blade mounted on the main shaft, a hollow tube connected to the fan blade near the bottom, a limit rod slidably connected inside the hollow tube, a telescopic spring mounted on the limit rod, a limit hole opened on the main shaft near the limit rod, and the limit rod disposed in the limit hole; The positioning component includes a clamping plate rotatably connected to the fan blades, a second positioning block connected inside the clamping plate, limit grooves formed on both the main shaft and the fan blades, the second positioning block being disposed within the limit grooves, and a spring piece connected to the side of the main shaft near the second positioning block, the second positioning block being disposed on the spring piece.

[0007] Furthermore, one end of the telescopic spring is connected to the hollow tube, and the other end of the telescopic spring is connected to the limiting rod.

[0008] The beneficial effects of adopting the above-mentioned further solution are as follows: one end of the telescopic spring is fixed to the inner wall of the hollow tube, and the other end is connected to the end of the limiting rod. When installing the blade, the limiting rod is pulled to compress the telescopic spring. After the hollow tube is aligned with the limiting hole opened on the main shaft, the limiting rod is released, and the telescopic spring elastically resets to generate thrust, pushing the limiting rod into the limiting hole of the main shaft, thereby achieving the initial radial fixation of the blade and preventing the limiting rod from shifting on its own during installation.

[0009] Furthermore, a first magnetic block is embedded on the top end face of the main shaft away from the mounting housing, and a second magnetic block is embedded on the inner wall of the fan blade near the top of the main shaft.

[0010] The beneficial effects of adopting the above-mentioned further solution are: a first magnetic block is embedded on the top end face of the spindle, and a second magnetic block is embedded in the inner wall of the fan blade. When installing the fan blade, the two magnetic blocks generate a magnetic attraction force due to their corresponding positions, which automatically guides the blade to be precisely aligned with the spindle, reduces manual adjustment time, and prevents the fan blade from slipping off after being fitted.

[0011] Furthermore, the first magnetic block and the second magnetic block are arranged with opposite magnetic poles facing each other, and the second magnetic block and the first magnetic block are magnetically attracted to each other.

[0012] The beneficial effects of adopting the above-mentioned further solution are: the first magnetic block 27 and the second magnetic block 28 are arranged with opposite magnetic poles facing each other. During installation, the opposite magnetic poles attract each other, making the two magnetic blocks fit tightly together. This not only strengthens the axial pre-fixing effect of the fan blade 22 and the main shaft 21, but also further ensures the alignment accuracy of the limit rod 24 and the limit hole 26.

[0013] Furthermore, a first positioning block is provided on the top end face of the spindle away from the mounting housing, and the first positioning block has a hexagonal structure.

[0014] The beneficial effects of adopting the above-mentioned further solution are: a hexagonal first positioning block 29 is provided at the top of the main shaft 21. When the fan blade 22 is fitted, the positioning block is inserted into the matching positioning hole 210 on the inner wall of the fan blade 22, which restricts the relative circumferential rotation between the fan blade 22 and the main shaft 21, avoids circumferential displacement of the fan blade 22 due to torque during operation, ensures the stability of the rotation angle of the fan blade 22, reduces operating noise, and ensures air supply efficiency.

[0015] Furthermore, the inner wall of the fan blade near the top of the main shaft has a matching positioning hole corresponding to the first positioning block, and the first positioning block is disposed in the positioning hole.

[0016] The beneficial effect of adopting the above-mentioned further solution is that: the fan blade 22 is connected to the card holder 33. When the card plate 31 is rotated so that the second positioning block 32 is inserted into the limiting groove 34, one end of the card plate 31 is inserted into the card holder 33, and the card holder 33 limits the card plate 31.

[0017] Furthermore, a card holder is connected to one end of the fan blade near the card plate, and one end of the card plate is disposed in the card holder.

[0018] The beneficial effects of adopting the above-mentioned further solution are: to prevent the card plate 31 from rotating unexpectedly due to vibration during the operation of the fan blade 22, to prevent the second positioning block 32 from disengaging from the limiting groove 34, and to enhance the overall stability of the fixation.

[0019] Compared with the prior art, the advantages and positive effects of this utility model are as follows: In this invention, when installing the fan blades, the fan blades are fitted onto the main shaft of the mounting housing through a hollow tube. The limiting rod is pulled to compress the telescopic spring. After the fan blades are in place, the limiting rod is released, and the telescopic spring returns to its original position, pushing the blades into the limiting hole of the main shaft to complete the initial radial fixation. Then, the clamping plate on the fan blades is rotated so that the second positioning block enters the limiting groove that connects the main shaft and the fan blades. The second positioning block presses against the spring piece inside the main shaft, and the spring piece elastically pushes back. At the same time, the end of the clamping plate is engaged with the clamping seat for fixation. This allows for quick assembly and disassembly of the fan blades, and ensures radial and circumferential stability after installation, preventing loosening. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a cooling fan blade that is easy to assemble and disassemble according to the present invention; Figure 2 This is a structural disassembly diagram of a fan blade that is easy to assemble and disassemble according to the present invention; Figure 3 This is a structural disassembly diagram of a quick-release connection assembly for easily disassembled fan blades according to the present invention. Figure 4 This is a schematic diagram of a quick-release connection assembly for easily disassembled fan blades according to the present invention. Figure 5 This is a schematic diagram of the positioning component structure for an easily detachable and assembled air cooler blade according to the present invention.

[0021] Figure label: 1. Install the casing; 2. Quick-release connection assembly; 21. Spindle; 22. Fan blade; 23. Hollow tube; 24. Limiting rod; 25. Telescopic spring; 26. Limiting hole; 27. First magnet; 28. Second magnet; 29. ​​First positioning block; 210. Positioning hole; 3. Positioning component; 31. Card plate; 32. Second positioning block; 33. Card holder; 34. Limiting groove; 35. Spring piece. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1-5 As shown, this embodiment provides a technical solution: a refrigerated fan blade that is easy to assemble and disassemble, including a mounting housing 1, and further comprising: The quick-release connection assembly 2 includes a main shaft 21 mounted on the mounting housing 1, a fan blade 22 mounted on the main shaft 21, a hollow tube 23 connected to the fan blade 22 near the bottom, a limit rod 24 slidably connected inside the hollow tube 23, a telescopic spring 25 mounted on the limit rod 24, and a limit hole 26 opened on the main shaft 21 near the limit rod 24, with the limit rod 24 disposed in the limit hole 26; Positioning component 3 includes a clamping plate 31 rotatably connected to the fan blade 22. A second positioning block 32 is connected inside the clamping plate 31. Limiting grooves 34 are provided on both the main shaft 21 and the fan blade 22. The second positioning block 32 is disposed in the limiting groove 34. A spring piece 35 is connected to the side of the main shaft 21 near the second positioning block 32. The second positioning block 32 is disposed on the spring piece 35. When installing the fan blade 22, the fan blade 22 is sleeved on the main shaft 21 of the mounting shell 1 through the hollow tube 23. The limiting rod 24 is pulled to compress the telescopic spring. After the fan blade 22 is in place, the limiting rod 24 is released, and the telescopic spring 25 returns to its original position and pushes it into the limiting hole 26 of the main shaft 21 to complete the initial radial fixation. Then, the clamping plate 31 on the fan blade 22 is rotated so that the second positioning block 32 enters the limiting groove 34 that connects the main shaft 21 and the fan blade 22. The second positioning block 32 presses the spring piece 35 inside the main shaft 21, and the spring piece 35 pushes back elastically. At the same time, the end of the clamping plate 31 is inserted into the clamping seat 33 for fixation, so as to realize the quick disassembly and assembly of the fan blade 22. After installation, it is radially and circumferentially stable and prevents loosening.

[0024] like Figures 3-5As shown, one end of the telescopic spring 25 is connected to the hollow tube 23, and the other end is connected to the limiting rod 24. One end of the telescopic spring 25 is fixed to the inner wall of the hollow tube 23, and the other end is connected to the end of the limiting rod 24. When installing the blade, the limiting rod 24 is pulled to compress the telescopic spring 25. After the hollow tube 23 is aligned with the limiting hole 26 on the main shaft 21, the limiting rod 24 is released, and the telescopic spring 25 elastically returns to its original position, generating a thrust that pushes the limiting rod 24 into the limiting hole 26 of the main shaft 21, thus achieving preliminary radial fixation of the blade and preventing the limiting rod 24 from shifting during installation. A first magnetic block 27 is embedded on the top end face of the shaft 21 away from the mounting housing 1. A second magnetic block 28 is embedded on the inner wall of the fan blade 22 near the top of the shaft 21. The first magnetic block 27 is embedded on the top end face of the shaft 21, and the second magnetic block 28 is correspondingly embedded on the inner wall of the fan blade 22. When installing the fan blade 22, the two magnetic blocks generate a magnetic attraction force due to their corresponding positions, automatically guiding the blade to precisely align with the shaft 21, reducing manual adjustment time and preventing the fan blade 22 from slipping off after installation. The first magnetic block 27 and the second magnetic block 28 are arranged with opposite magnetic poles facing each other, and the second magnetic block 28 is magnetically attracted to the first magnetic block 27. The first magnetic block 27 and the second magnetic block 28 are arranged with opposite magnetic poles facing each other. During installation, the opposite magnetic poles attract each other, making the two magnetic blocks fit tightly together. This not only strengthens the axial pre-fixation effect between the fan blade 22 and the main shaft 21, but also further ensures the alignment accuracy of the limiting rod 24 and the limiting hole 26. A first positioning block 29 is provided on the top end face of the main shaft 21 away from the mounting shell 1. The first positioning block 29 has a hexagonal structure. When the fan blade 22 is fitted, the positioning block is inserted into the matching positioning hole 210 on the inner wall of the fan blade 22, limiting the fan blade's position. The relative circumferential rotation of the blade 22 and the main shaft 21 prevents the fan blade 22 from shifting circumferentially due to torque during operation, ensuring the stability of the rotation angle of the fan blade 22, reducing operating noise, and ensuring air delivery efficiency. The inner wall of the fan blade 22 near the top of the main shaft 21 is provided with a matching positioning hole 210 corresponding to the first positioning block 29. The first positioning block 29 is set in the positioning hole 210. The fan blade 22 is connected to the card seat 33. When the card plate 31 is rotated so that the second positioning block 32 is inserted into the limiting groove 34, one end of the card plate 31 is inserted into the card seat 33, and the card seat 33 limits the card plate 31. like Figures 2-5 As shown, a card holder 33 is connected to one end of the fan blade 22 near the card plate 31. One end of the card plate 31 is set in the card holder 33 to prevent the card plate 31 from rotating accidentally due to vibration during the operation of the fan blade 22, and to prevent the second positioning block 32 from dislodging from the limiting groove 34, thereby enhancing the overall stability of the fixed position.

[0025] Working principle: like Figures 1-5As shown, when installing the fan blade 22, the fan blade 22 is first fitted onto the main shaft 21 of the mounting housing 1 through the hollow tube 23. The hexagonal first positioning block 29 on the top of the main shaft 21 will be inserted into the matching positioning hole 210 on the inner wall of the fan blade 22, initially restricting the relative circumferential rotation of the fan blade 22 and the main shaft 21, preventing the fan blade 22 from shifting during subsequent adjustments. At the same time, the first magnetic block 27 on the top of the main shaft 21 and the second magnetic block 28 on the inner wall of the blade have opposite magnetic poles facing each other, and the two generate a magnetic attraction force, which automatically... The fan blades 22 are precisely aligned with the main shaft 21, reducing manual adjustment time and preventing the fan blades 22 from slipping off after being fitted. This also achieves axial pre-fixation and further ensures the accurate alignment of the hollow tube 23 with the upper limit hole 26 of the main shaft 21. After initial alignment, the limiting rod 24 is pulled, compressing the telescopic spring 25 connected between the inner wall of the hollow tube 23 and the end of the limiting rod 24. Once the fan blades 22 are fully fitted and the hollow tube 23 is precisely aligned with the limiting hole 26, the limiting rod 24 is released, and the telescopic spring... Spring 25 elastically resets, generating thrust to push the limiting rod 24 into the limiting hole 26 of the main shaft 21, completing the initial radial fixation of the fan blade 22 and preventing the limiting rod 24 from shifting during installation. Then, the retaining plate 31 on the fan blade 22 is rotated, causing the second positioning block 32 within the retaining plate 31 to enter the limiting groove 34 connecting the main shaft 21 and the fan blade 22. The second positioning block 32 presses against the spring piece 35 within the main shaft 21, and the spring piece 35 elastically pushes back, enhancing the fit between the second positioning block 32 and the limiting groove 34. Simultaneously, the retaining plate 31... The end of the blade is inserted into the retainer 33, which limits the retainer plate 31 to prevent the retainer plate 31 from rotating accidentally due to vibration during the operation of the fan blade 22. This also prevents the second positioning block 32 from dislodging from the limiting groove 34, thus achieving circumferentially stable fixation of the fan blade 22. The cooperation between the first positioning block 29 and the positioning hole 210 can limit the circumferential displacement of the fan blade 22 due to torque, ensuring the stability of the rotation angle of the fan blade 22, reducing operating noise and ensuring air delivery efficiency. This achieves multiple stable protections and prevents the fan blade 22 from loosening.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A type of easily detachable and assembled air cooler blade, comprising a mounting housing (1), characterized in that, Also includes: The quick-release connection assembly (2) includes a main shaft (21) disposed on the mounting housing (1), a fan blade (22) disposed on the main shaft (21), a hollow tube (23) connected to the fan blade (22) near the bottom, a limit rod (24) slidably connected inside the hollow tube (23), a telescopic spring (25) disposed on the limit rod (24), and a limit hole (26) opened on the main shaft (21) near the limit rod (24), and the limit rod (24) disposed inside the limit hole (26); The positioning component (3) includes a clamping plate (31) rotatably connected to the fan blade (22), a second positioning block (32) connected inside the clamping plate (31), a limiting groove (34) being provided on both the main shaft (21) and the fan blade (22), the second positioning block (32) being disposed in the limiting groove (34), and a spring piece (35) being connected to the side of the main shaft (21) near the second positioning block (32), the second positioning block (32) being disposed on the spring piece (35).

2. The easily detachable and assembleable air cooler blade according to claim 1, characterized in that: One end of the telescopic spring (25) is connected to the hollow tube (23), and the other end of the telescopic spring (25) is connected to the limiting rod (24).

3. The easily detachable and assembleable air cooler blade according to claim 1, characterized in that: The top end face of the main shaft (21) away from the mounting shell (1) is fitted with a first magnetic block (27), and the inner wall of the fan blade (22) near the top of the main shaft (21) is fitted with a second magnetic block (28).

4. The evaporative cooling fan blade according to claim 3, characterized in that: The first magnetic block (27) and the second magnetic block (28) are arranged with opposite magnetic poles facing each other, and the second magnetic block (28) and the first magnetic block (27) are magnetically attracted to each other.

5. The easily detachable and assembleable air cooler blade according to claim 1, characterized in that: The top end face of the main shaft (21) away from the mounting shell (1) is provided with a first positioning block (29), which is hexagonal in shape.

6. The easily detachable and assembleable air cooler blade according to claim 5, characterized in that: The fan blade (22) has a matching positioning hole (210) on the inner wall near the top of the main shaft (21) corresponding to the first positioning block (29), and the first positioning block (29) is set in the positioning hole (210).

7. The easily detachable and assembleable air cooler blade according to claim 1, characterized in that: The fan blade (22) is connected to a card holder (33) at one end near the card plate (31), and one end of the card plate (31) is located in the card holder (33).

Images