CN217926421U

CN217926421U - Radiator fan blade subassembly of stable in structure

Info

Publication number: CN217926421U
Application number: CN202221888860.XU
Authority: CN
Inventors: 徐军
Original assignee: Changzhou Weisen Bayi Electrical Technology Co ltd
Current assignee: Changzhou Weisen Bayi Electrical Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-29
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to a stable in structure's radiator fan blade subassembly belongs to the radiator field, and it includes a stable in structure's radiator fan blade subassembly, include wheel hub, acanthus leaf and protect the wind circle, the acanthus leaf is equipped with a plurality ofly, the one end fixed connection of acanthus leaf is in wheel hub, the other end fixed connection of acanthus leaf protects the wind circle, protect the global reinforcing ring that bends that is connected with of wind circle, bend the reinforcing ring and protect and be equipped with the gusset plate between the wind circle. This application is at the during operation, and the stiffening ring of bending can improve the structural strength of lamina, and the gusset plate can improve protect the wind circle and bend structural stability between the stiffening ring, and a plurality of leeward gaps that form between a plurality of lamina are the variation in size, can reduce the resonance that the lamina produced when rotating to improve the stability of fan blade subassembly during operation.

Description

Radiator fan blade subassembly of stable in structure

Technical Field

The application relates to the field of radiators, in particular to a radiator fan blade assembly with a stable structure.

Background

Along with the continuous promotion of industrial technology, the use of radiator is more and more frequent, and the radiator includes multiple types such as air-cooled radiator, liquid cooling radiator, compressor radiator, and wherein the main structure of air-cooled radiator includes fan blade, motor etc..

The utility model with the publication number of CN207178299U provides a fan blade of a vehicle cooling fan, which comprises a hub, a blade and a wind protection ring, wherein the blade is arranged around the hub, the blade root of the blade is connected with the hub, and the blade top of the blade is connected with the wind protection ring at the periphery; the number of the blades is seven, and an airfoil design is adopted.

Aiming at the related technologies, the inventor thinks that the fan blade assembly has the following defects that under the condition of large size of the fan blade assembly, the rotating speed of one end of the blade plate far away from the hub is high, the stress is large, the structure of the blade plate is unstable, and the blade plate is easy to deform.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem, the application provides a radiator fan blade subassembly of stable in structure.

The application provides a stable in structure's radiator fan blade subassembly adopts following technical scheme:

the utility model provides a stable in structure's radiator fan blade subassembly, includes wheel hub, acanthus leaf and protects the solar or lunar halo, the acanthus leaf is equipped with a plurality ofly, the one end fixed connection of acanthus leaf is in wheel hub, the other end fixed connection of acanthus leaf protects the solar or lunar halo, it is connected with the reinforcement ring of bending to protect solar or lunar halo global.

Through adopting above-mentioned technical scheme, when radiator fan blade subassembly during operation, fan blade subassembly begins to rotate, and the rotation speed of the one end of lamina faraway from wheel hub is fast, and the atress is big, and the reinforcing ring of bending has formed the muscle structure on protecting the wind circle, has improved the structural strength who protects the wind circle, has also improved the structural stability who protects the wind circle.

Preferably, the hub is provided with heat dissipation holes.

By adopting the technical scheme, when the fan blade assembly of the radiator works, the end part of the hub generates high temperature due to high-speed rotation, and the radiating holes are formed in the hub, so that the relative surface area of the hub can be improved, the heat radiation of the hub is facilitated, and the service life of the fan blade assembly is prolonged.

Preferably, the hub comprises a side plate and an end plate, the side plate is fixedly connected with the end plate, the blade plate is fixedly connected with the side plate, and a structural rib plate is fixedly connected between the side plate and the end plate.

By adopting the technical scheme, when the fan blade plate rotates at a high speed, the stress of the side plate connected with the fan blade plate is large, the stability of the side plate and the end plate is enhanced by the structural ribs, and the structural stability of the hub during the work of the fan blade assembly is improved.

Preferably, a transmission sleeve is coaxially fixed on an end plate of the hub, the blade plate and the wind protection ring are integrally formed by injection molding, and the transmission sleeve is made of powder metallurgy.

By adopting the technical scheme, the use of the transmission sleeve greatly reduces the production cost, improves the production efficiency of the fan blade assembly, and meanwhile, the transmission sleeve for transmitting torque is made of metal materials, so that the structural strength during operation is also improved.

Preferably, a plurality of overfire air gaps are formed among the blades, the overfire air gaps comprise uniform gaps and vibration reduction gaps, and the vibration reduction gaps are larger than the uniform gaps.

By adopting the technical scheme, the clearances among the blades are different, and the damping clearance is larger than the uniform clearance, so that the resonance generated by the blades during working can be reduced, and the service life of the fan blade assembly is prolonged.

Preferably, the bending direction of the bending reinforcing ring relative to the wind protection ring is consistent with the direction of airflow generated when the fan blade assembly rotates, and the side plate is positioned on one side of the end plate along the direction of the airflow.

By adopting the technical scheme, when the notch orientation of the annular groove structure formed between the wind protection ring and the bending reinforcing ring is consistent with the air flow direction in working, the wind resistance is reduced, and the stability of the fan blade assembly is improved.

Preferably, a protective rib plate is fixedly connected between the blade plate and the wind protection ring, and the protective rib plate is positioned on one side of the blade plate along the rotation direction of the fan blade assembly.

By adopting the technical scheme, when the blade plate runs at a high speed, the resistance borne by the windward part close to one end of the wind protection ring is larger, and the protection rib plate arranged at the position improves the structural strength and the durability of the blade plate during operation.

Preferably, a plurality of reinforcing plates are fixedly connected between the bent reinforcing ring and the wind protection ring, and the plurality of reinforcing plates are arranged in an annular array by taking the axis of the wind protection ring as a central line.

Through adopting above-mentioned technical scheme, the gusset plate can increase the reinforcing ring of bending and protect the tight degree of being connected between the wind circle, makes the reinforcing ring of bending non-deformable.

Preferably, the outer wall of the transmission sleeve is fixedly connected with a reinforcing strip, and the length direction of the reinforcing strip is the radial direction of the hub.

Through adopting above-mentioned technical scheme, the reinforcement strip has improved transmission sleeve and wheel hub in ascending stability in circumference, has improved the overall structure stability when fan blade subassembly rotates.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the bending reinforcing ring, the bending direction of the bending reinforcing ring is consistent with the direction of air flow generated when the fan blade assembly rotates, the wind resistance is reduced, the stress deformation of the blade plate is reduced, the structural strength and the working stability of the wind protection ring are improved, and the fan blade assembly can run for a longer time.

2. The end of the blade plate far away from the hub when rotating at a high speed is high in rotating speed and large in stress deformation, the protection rib plate is arranged between the blade plate and the wind protection ring, the structural strength of the blade plate and the wind protection ring can be improved through the protection rib plate, loss of the blade plate due to deformation is reduced, and the working stability of the fan blade assembly is improved.

Drawings

Fig. 1 is a schematic structural view of a windward side of a fan blade assembly of a heat sink for embodying structural stability in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a leeward side of a fan blade assembly of a heat sink for embodying structural stability in an embodiment of the present application.

Description of reference numerals: 1. a hub; 11. an end plate; 12. a side plate; 13. a structural gusset; 14. heat dissipation holes; 2. a leaf plate; 21. protecting the rib plate; 22. a windage gap; 221. the gap is uniform; 222. a vibration damping gap; 3. a wind protection ring; 31. bending the reinforcing ring; 32. a reinforcing plate; 4. a drive sleeve; 41. and (5) reinforcing the strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a radiator fan blade assembly with a stable structure, which comprises a hub 1, a blade plate 2 and a wind protection ring 3, wherein one end of the blade plate 2 is fixedly connected to the hub 1, and the other end of the blade plate 2 is fixedly connected to the wind protection ring 3; the blade 2 can produce the air current when rotating, easily takes place atress deformation, and protects 3 fixed blade 2 of solar or lunar halo, can improve the structural strength of blade 2.

As shown in fig. 2, in order to improve the production efficiency and the overall structural strength of the fan blade assembly, the hub 1, the blade plate 2 and the wind-guard ring 3 are integrally formed by injection molding. The hub 1 comprises a side plate 12, an end plate 11 and a structural rib plate 13 which are integrally formed, wherein the side plate 12 is positioned on one side of the end plate 11, the side plate and the end plate are coaxial, the structural rib plate 13 is positioned between the side plate 12 and the end plate 11, and the structural strength of the side plate 12 and the end plate 11 is enhanced by the structural rib plate 13. The heat dissipation holes 14 are formed in the hub 1, the heat dissipation holes 14 can improve the relative surface area of the hub 1, the heat dissipation efficiency of the hub 1 in the working process is improved, and therefore the stability of the fan blade assembly in the working process is improved.

As shown in fig. 1, the end plate 11 is coaxially and fixedly connected with a transmission sleeve 4, the material of the transmission sleeve 4 is powder metallurgy, and the material is selected to reduce the production cost in the manufacturing process. A plurality of reinforcing strips 41 are integrally formed on the outer wall of the transmission sleeve 4, all the reinforcing strips 41 are distributed in an annular array by taking the axis of the transmission sleeve 4 as a center, and the length direction of each reinforcing strip 41 is the radial direction of the hub 1; when the fan blade assembly operates, the reinforcing bar 41 improves the circumferential stability between the transmission sleeve 4 and the hub 1, and also improves the transmission stability of the fan blade assembly during rotation.

As shown in fig. 1, a plurality of blades 2 are annularly arranged around a hub 1, an air passing gap 22 is formed between each blade 2, and the air passing gap 22 is divided into a uniform gap 221 and a vibration reduction gap 222, in this embodiment, there are seven blades 2 and air passing gaps 22, where there are two vibration reduction gaps 222, there are five uniform gaps 221, the size of the vibration reduction gap 222 is larger than that of the uniform gap 221, and the difference in the gaps between the blades 2 can reduce the resonance generated when the blades 2 operate. The protection gusset 21 is located between the blade plate 2 and the wind protection ring 3, and is located on one side of the blade plate 2 along the rotation direction of the blade assembly, in the operation process of the blade assembly, the resistance borne by one end of the blade plate 2 close to the wind protection ring 3 is larger, the connection structure strength of the blade plate 2 and the wind protection ring 3 can be enhanced by the protection gusset 21, the stress deformation of the blade plate 2 is reduced, and the stability of the blade assembly is also improved.

As shown in fig. 2, the bending reinforcing ring 31 is coaxially and integrally formed on the outer peripheral surface of the wind protection ring 3, the bending reinforcing ring 31 forms a rib structure on the wind protection ring 3, at this time, an annular groove structure is formed between the bending reinforcing ring 31 and the wind protection ring 3, the bending direction of the bending reinforcing ring 31 relative to the wind protection ring 3 is consistent with the air flow direction during operation, the blocking effect of the annular groove structure on the air flow is small, and the stability of the fan blade assembly during operation is improved. Similarly, the side plate 12 is also positioned on one side of the end plate 11 along the airflow direction, so that the wind resistance of the hub 1 when the fan blade assembly works is further reduced.

As shown in fig. 2, a plurality of reinforcing plates 32 are arranged between the bent reinforcing ring 31 and the wind-protecting ring 3, and all the reinforcing plates 32 are arranged in an annular array with the axis of the wind-protecting ring 3 as a central line, so that the stability between the bent reinforcing ring 31 and the wind-protecting ring 3 can be improved, and the structural strength of the fan blade assembly is improved.

The implementation principle of the radiator fan blade assembly with the stable structure in the embodiment of the application is as follows:

hub 1 receives the moment of torsion through transmission sleeve 4 to drive 2 high-speed rotations of paddle, the windage that paddle 2 receives is great, protects 3 can be high paddle 2's stability of wind circle, and the reinforcing plate 31 and the gusset plate 32 of bending can further improve the structural strength who protects wind circle 3, thereby stability when whole improvement fan blade subassembly functions.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stable in structure's radiator fan blade subassembly, includes wheel hub (1), lamina (2) and protects solar or lunar halo (3), lamina (2) are equipped with a plurality ofly, the one end fixed connection of lamina (2) is in wheel hub (1), the other end fixed connection of lamina (2) protects solar or lunar halo (3), its characterized in that: the circumferential surface of the wind protection ring (3) is connected with a bending reinforcing ring (31).

2. The structurally stable fan blade assembly of claim 1, further comprising: the hub (1) is provided with a heat dissipation hole (14).

3. The structurally stable fan blade assembly of claim 1, further comprising: wheel hub (1) includes curb plate (12) and end plate (11), curb plate (12) and end plate (11) fixed connection, lamina (2) and curb plate (12) fixed connection, fixedly connected with structural rib plate (13) between curb plate (12) and end plate (11).

4. The structurally stable fan blade assembly of claim 3, further comprising: the coaxial transmission sleeve (4) that is fixed with on end plate (11) of wheel hub (1), acanthus leaf (2) and protect wind circle (3) injection moulding as an organic whole, the material of transmission sleeve (4) is powder metallurgy.

5. The structurally stable fan blade assembly of claim 1, further comprising: a plurality of air passing gaps (22) are formed among the blades (2), the air passing gaps (22) comprise uniform gaps (221) and vibration reduction gaps (222), and the vibration reduction gaps (222) are larger than the uniform gaps (221).

6. The structurally stable fan blade assembly of claim 3, further comprising: the folding direction of the bending reinforcing ring (31) relative to the wind protection ring (3) is consistent with the direction of airflow generated when the fan blade assembly rotates, and the side plate (12) is positioned on one side of the end plate (11) along the airflow direction.

7. The structurally stable fan blade assembly of claim 1, further comprising: and a protection rib plate (21) is fixedly connected between the blade plate (2) and the wind protection ring (3), and the protection rib plate (21) is positioned on one side of the blade plate (2) along the rotation direction of the fan blade assembly.

8. The structurally stable fan blade assembly of claim 1, further comprising: a plurality of reinforcing plates (32) are fixedly connected between the bent reinforcing ring (31) and the wind protection ring (3), and the reinforcing plates (32) are arranged in an annular array by taking the axis of the wind protection ring (3) as a center line.

9. The structurally stable fan blade assembly of claim 4, further comprising: the outer wall of the transmission sleeve (4) is fixedly connected with a reinforcing strip (41), and the length direction of the reinforcing strip (41) is the radial direction of the hub (1).