A double-row fan blade and the fan

Abstract

The utility model discloses a double -bank formula fan blade and the fan, and the fan blade aims at solving the problem of the current double -bank formula fan blade adopting integrated injection molding process forming, and the mould manufacturing is complicated, and the single fin must be replaced integrally when damaging, and the use cost is increased. The fan blade includes drive main shaft and the sleeve fixed installation sleeve of drive main shaft, and the outer surface circumference of installation sleeve is equipped with a plurality of installation grooves, and the left fan blade subassembly and right fan blade subassembly are detachably installed in the left and right sides of installation groove respectively. The utility model discloses through the sleeve of installing end seat and through the second screw fixed on the outer surface of installation sleeve, then the installation rod of left fan blade subassembly and right fan blade subassembly is inserted into the left and right installation grooves and is fixed, not only processing is more convenient, and can easily take out the damaged fin alone and replace, thereby not needing whole discarding, and reducing use cost.

Description

Technical Field

[0001] This utility model belongs to the field of cooling fan technology, specifically relating to a double-row fan blade and the fan. Background Technology

[0002] In modern industry and daily life, fans, as a crucial fluid transport device, are widely used in ventilation, heat dissipation, refrigeration, and other fields. With the rapid development of technology and the ever-increasing performance requirements of various industries, traditional single-row fan blades are no longer sufficient to meet the growing demands in certain situations. Against this backdrop, research on double-row fan blades has emerged, becoming an important direction for improving fan performance and optimizing energy utilization.

[0003] Patent CN215582490U discloses a double-row fan blade device for heat dissipation of electronic devices. The double-row fan blade device is connected to a drive spindle. When the drive spindle rotates under the drive of a servo motor, it drives the fan blade mounting assembly, the left fan blade mechanism, and the right fan blade mechanism to rotate simultaneously. Under the segmented and blocked state of the fan blade mounting assembly, the left fan blade mechanism and the right fan blade mechanism respectively deliver air to their respective areas for heat dissipation. However, the aforementioned fan blade mechanism is formed by a one-piece injection molding process, which is complex to manufacture. Furthermore, if a single fin is damaged, the entire assembly must be replaced, increasing the cost of use. Utility Model Content

[0004] (1) Technical problems to be solved

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a double-row fan blade and the fan. The fan blade is designed to solve the problems of existing double-row fan blades being formed by one-piece injection molding, which is complicated in mold manufacturing and requires the entire fan to be replaced if a single fin is damaged, thus increasing the cost of use.

[0006] (2) Technical solution

[0007] To solve the above-mentioned technical problems, this utility model provides a double-row fan blade, which includes a drive shaft and a mounting sleeve fixed on the drive shaft. The outer surface of the mounting sleeve is provided with multiple mounting grooves. The left and right sides of the mounting grooves are respectively detachably installed with a left fan blade assembly and a right fan blade assembly. A mounting end seat is fixedly connected to the middle of the outer surface of the mounting sleeve.

[0008] Preferably, both the left and right fan blade assemblies include a mounting rod and fins, and the left and right sides of the mounting groove are fixedly connected to limiting members by first screws. The limiting members are used to fix the mounting rod in the mounting groove.

[0009] Furthermore, the mounting groove is a rectangular structure that extends through both sides of the mounting sleeve, and the limiting component is a ring structure.

[0010] Furthermore, positioning grooves are provided on both the left and right sides of the mounting rod, and the first positioning post and the second positioning post corresponding to the positioning groove are fixedly connected to the side of the limiting component and the mounting end seat that are close to each other.

[0011] Furthermore, the mounting rod is longer than the fin, and a rubber pad is installed between the limiting component and the mounting rod.

[0012] Furthermore, there are six first screws, and threaded holes corresponding to the first screws are opened at both ends of the mounting sleeve. First through holes corresponding to the first screws are opened on the limiting component and the rubber pad, and second through holes corresponding to the first positioning pin are opened on the rubber pad.

[0013] Furthermore, the outer surface of the mounting end seat is provided with multiple blind holes, and a second screw is installed in the blind hole. The second screw is threadedly connected to the mounting sleeve.

[0014] Furthermore, a fan that includes the double-row fan blades mentioned above.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. This utility model involves fitting the mounting end seat onto the outer surface of the mounting sleeve and fixing it with a second screw. Then, the mounting rods of the left and right fan blade assemblies are inserted into the mounting grooves on the left and right sides, and the left and right fan blade assemblies are fixed with a first screw, a limiting member, and a rubber pad. Finally, the mounting sleeve is fitted and fixed onto the drive spindle for normal use. This not only makes processing more convenient, but also allows for easy removal of the damaged fin when a single fin is damaged. The first screw, the limiting member, and the rubber pad can be removed to easily remove and replace the damaged fin, eliminating the need to discard the entire fin and reducing usage costs.

[0018] 2. After the left and right fan blade assemblies are installed, the first and second positioning posts are inserted into the positioning grooves of the mounting rod, and the bottom end of the mounting rod is located in the mounting groove on the outer surface of the mounting sleeve, thereby preventing the fan blade assemblies from moving and making the installation more secure. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a front view cross-sectional structural diagram of this utility model.

[0021] Figure 3 This is a schematic diagram of the left-side structure of this utility model.

[0022] Figure 4 This is an exploded structural diagram of the present invention.

[0023] Figure 5 This is a structural schematic diagram of the limiting component of this utility model.

[0024] Figure 6 This is a structural schematic diagram of the mounting end cap of this utility model.

[0025] Figure 7 This is a schematic diagram of the fan blade assembly of this utility model.

[0026] The markings in the attached diagram are as follows: 1. Drive spindle; 2. Mounting sleeve; 3. Mounting groove; 4. Left fan blade assembly; 5. Right fan blade assembly; 6. Mounting end seat; 7. Mounting rod; 8. Fin; 9. First screw; 10. Limiting element; 11. Positioning groove; 12. First positioning post; 13. Second positioning post; 14. Rubber pad; 15. Threaded hole; 16. First through hole; 17. Second through hole; 18. Blind hole; 19. Second screw. Detailed Implementation

[0027] This specific embodiment features a double-row fan blade installed inside the fan, as shown in the schematic diagram below. Figures 1-7 As shown, the fan blade includes a drive spindle 1 and a mounting sleeve 2 that is sleeved and fixed on the drive spindle 1. The outer surface of the mounting sleeve 2 has multiple mounting grooves 3. The left and right sides of the mounting groove 3 are respectively detachably installed with a left fan blade assembly 4 and a right fan blade assembly 5. The mounting end seat 6 is fixedly connected to the middle of the outer surface of the mounting sleeve 2.

[0028] like Figure 1 and Figure 2 As shown: In this embodiment, both the left fan blade assembly 4 and the right fan blade assembly 5 include a mounting rod 7 and a fin 8. The left and right sides of the mounting groove 3 are fixedly connected to a limiting member 10 by a first screw 9. The limiting member 10 is used to fix the mounting rod 7 in the mounting groove 3. The mounting rod 7 can be fixed in the mounting groove 3 by the limiting member 10, thereby fixing the left fan blade assembly 4 and the right fan blade assembly 5.

[0029] like Figure 2 As shown: In this embodiment, the mounting groove 3 is a rectangular structure that extends through the left and right sides of the mounting sleeve 2, and the limiting member 10 is an annular structure; by inserting the mounting rods 7 of the left fan blade assembly 4 and the right fan blade assembly 5 into the mounting grooves 3 on the left and right sides, the bottom of the mounting rods 7 is limited to prevent the mounting rods 7 from rotating.

[0030] like Figure 4-7As shown: In this embodiment, positioning grooves 11 are provided on both the left and right sides of the mounting rod 7. The first positioning post 12 and the second positioning post 13 corresponding to the positioning groove 11 are fixedly connected to the side of the limiting member 10 and the mounting end seat 6 that are close to each other. After the left fan blade assembly 4 and the right fan blade assembly 5 are installed, the second positioning post 13 is inserted into the positioning groove 11, and at the same time the first positioning post 12 is inserted into the positioning groove 11, so that the left fan blade assembly 4 and the right fan blade assembly 5 are installed more firmly.

[0031] like Figure 4 and Figure 7 As shown: In this embodiment, the mounting rod 7 is longer than the fin 8, and a rubber pad 14 is installed between the limiting member 10 and the mounting rod 7; the rubber pad 14 makes the limiting member 10 press the mounting rod 7 of the left fan blade assembly 4 and the right fan blade assembly 5, making the fixation more stable.

[0032] like Figure 4 and Figure 5 As shown: In this embodiment, there are six first screws 9. The left and right ends of the mounting sleeve 2 are provided with threaded holes 15 corresponding to the first screws 9. The limiting member 10 and the rubber pad 14 are provided with first through holes 16 corresponding to the first screws 9. The rubber pad 14 is provided with second through holes 17 corresponding to the first positioning post 12.

[0033] like Figure 1 and Figure 2 As shown: In this embodiment, the outer surface of the mounting end seat 6 is provided with a plurality of blind holes 18, and a second screw 19 is provided in the blind hole 18. The second screw 19 is threadedly connected to the mounting sleeve 2. By machining a threaded groove corresponding to the second screw 19 in the middle of the outer surface of the mounting sleeve 2, the mounting end seat 6 is then fitted onto the outer surface of the mounting sleeve 2 and fixed by the second screw 19, making the installation very convenient.

[0034] Working principle: Multiple mounting grooves 3 are machined on the outer surface of the mounting sleeve 2, and a threaded groove corresponding to the second screw 19 is machined in the middle. Then, the mounting end seat 6 is fitted onto the outer surface of the mounting sleeve 2 and fixed with the second screw 19. Then, the mounting rods 7 of the left fan blade assembly 4 and the right fan blade assembly 5 are inserted into the mounting grooves 3 on the left and right sides, and the second positioning pin 13 is inserted into the positioning groove 11. Then, the first positioning pin 12 on the limiting member 10 passes through the second through hole 17 on the rubber pad 14 and is inserted into the positioning groove 11 of the mounting rod 7. Then, the first screw 9 passes through the first through hole 16 and is threaded into the threaded hole 15 and installed and fixed with the mounting sleeve 2, thereby fixing the left fan blade assembly 4 and the right fan blade assembly 5. Finally, the mounting sleeve 2 is fitted and fixed on the drive spindle 1 for normal use. Not only is the processing more convenient, but when a single fin 8 is damaged, the first screw 9, the limiting member 10 and the rubber pad 14 are removed, and the damaged fin 8 can be easily removed and replaced separately, so as not to discard the whole thing, reducing the cost of use.

[0035] All technical features in this embodiment can be freely combined according to actual needs.

[0036] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A double-row fan blade, the fan blade comprising a drive shaft (1) and a mounting sleeve (2) sleeved and fixed on the drive shaft (1), characterized in that: The outer surface of the mounting sleeve (2) is provided with multiple mounting grooves (3). The left fan blade assembly (4) and the right fan blade assembly (5) are respectively detachably installed inside the left and right sides of the mounting groove (3). The mounting end seat (6) is fixedly connected to the middle of the outer surface of the mounting sleeve (2).

2. The double-row fan blades according to claim 1, characterized in that, The left fan blade assembly (4) and the right fan blade assembly (5) both include a mounting rod (7) and a fin (8). The left and right sides of the mounting groove (3) are fixedly connected to a limiting member (10) by a first screw (9). The limiting member (10) is used to fix the mounting rod (7) in the mounting groove (3).

3. The double-row fan blades according to claim 2, characterized in that, The mounting groove (3) is a rectangular structure and extends through the left and right sides of the mounting sleeve (2), and the limiting member (10) is an annular structure.

4. The double-row fan blades according to claim 3, characterized in that, The mounting rod (7) has positioning grooves (11) on both the left and right sides. The limiting member (10) and the mounting end seat (6) are respectively fixedly connected to the first positioning post (12) and the second positioning post (13) corresponding to the positioning groove (11).

5. The double-row fan blades according to claim 4, characterized in that, The mounting rod (7) is longer than the fin (8), and a rubber pad (14) is installed between the limiting member (10) and the mounting rod (7).

6. The double-row fan blades according to claim 5, characterized in that, The number of the first screws (9) is six. The left and right ends of the mounting sleeve (2) are provided with threaded holes (15) corresponding to the first screws (9). The limiting member (10) and the rubber pad (14) are provided with first through holes (16) corresponding to the first screws (9). The rubber pad (14) is provided with second through holes (17) corresponding to the first positioning post (12).

7. The double-row fan blades according to claim 6, characterized in that, The outer surface of the mounting end seat (6) is provided with a plurality of blind holes (18), and a second screw (19) is provided in the blind hole (18). The second screw (19) is threadedly connected to the mounting sleeve (2).

8. A fan, characterized in that, Includes the double-row fan blades as described in any one of claims 1-7.

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