Automobile fan assembly capable of preventing injection molding deformation

Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile fan assembly capable of preventing injection molding deformation, which is characterized in that a fan hub and a reinforcing boss are both of hollow structures, an annular reinforcing plate is fixedly arranged in the reinforcing boss and connected with a supporting cross beam, an empty groove is formed in the center of the reinforcing boss, and the annular reinforcing plate is connected with the supporting cross beam. The automobile fan assembly comprises a hollow groove, a driving motor is arranged in the hollow groove, a blade seat is arranged at the output end of the driving motor, a plurality of blade bodies are arranged on the peripheral side wall of the blade seat, the blade seat and the blade bodies are of an integrated structure, and through the multi-dimensional structural design, the problem of injection molding deformation of a traditional automobile fan assembly is effectively solved. The multiple supporting cross beams between the boss and the fan hub are reinforced, the strength and rigidity of the connecting position of parts are directly improved, the pressure of a stress concentration area prone to being generated in the injection molding process is dispersed, and the deformation risk is reduced.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to an anti-injection molding automotive fan assembly. Background Technology

[0002] The automotive fan assembly is a key component of the automotive cooling system, playing an important role in maintaining the normal operating temperature of the engine. The core function of the automotive fan assembly is to accelerate airflow through forced convection, helping the radiator dissipate the heat generated by the engine and keeping the engine operating temperature within a reasonable range.

[0003] In traditional automotive fan assemblies, the connection structure between the fan hub and the central reinforcing boss typically uses a single straight support or a simple spoke design. During the injection molding process, when the material cools and shrinks, stress concentration points easily form at the connection. The reinforcement structure of existing fan assemblies is mostly planar or supports in one direction (such as simply setting a reinforcing rib on the outside of the hub), lacking a three-dimensional mesh reinforcement design. During the injection molding process, deformation problems are prone to occur, leading to a decrease in fan performance, assembly difficulties, and even affecting the normal operation of the automotive cooling system. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an anti-injection molding deformation automotive fan assembly.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an anti-injection-molded deformation automotive fan assembly, including a fan hub, a reinforcing boss, and a drive motor. The reinforcing boss is located on the inner ring of the fan hub, and the reinforcing boss is connected to the fan hub through multiple support beams.

[0008] Both the fan hub and the reinforcing boss are hollow structures, and an annular reinforcing plate is fixedly installed inside the reinforcing boss. The annular reinforcing plate is connected to the supporting crossbeam.

[0009] The reinforcing boss has a slot at its center, a drive motor is installed in the slot, a blade seat is installed at the output end of the drive motor, and multiple blade bodies are provided on the peripheral sidewall of the blade seat, and the blade seat and the blade bodies are an integrated structure.

[0010] The fan hub is provided with multiple positioning components on its periphery.

[0011] The supporting crossbeams increase the strength and rigidity of the connection, reducing deformation caused by stress concentration during injection molding.

[0012] Through the annular reinforcing plate and the support cross beam, a whole reinforcing structure can be formed, and the overall rigidity and deformation resistance of the fan assembly are improved.

[0013] In order to improve the stability of the fan hub during use, the utility model discloses an improvement, the positioning assembly includes the mounting support, the inside of mounting support is equipped with the recess, the inner wall of recess is pasted the outer wall of fan hub, and mounting support is fixed on the outer wall of fan hub, the top of mounting support is equipped with the locating plate, and mounting support is the I-shaped structure.

[0014] The mounting support and the fan hub are integrated, the bending strength of the fan hub is improved, and the deformation of the mounting support during injection molding is reduced.

[0015] In order to improve the strength of the fan hub, the utility model discloses an improvement, the inside of fan hub is equipped with a plurality of reinforcing ribs, the bottom of reinforcing rib is fixed in fan hub, the outer wall of reinforcing rib contacts the inner wall of fan hub, the reinforcing rib is equipped with cavity, and reinforcing rib is the triangular structure.

[0016] Through the reinforcing rib, the bending resistance of the fan hub is improved, and the twisting deformation of the fan hub during injection molding is prevented.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a kind of anti-injection deformation automobile fan assembly, with following beneficial effects:

[0019] Through the structure design of multiple dimensions, the traditional automobile fan assembly injection deformation problem is effectively solved.Strengthen the strength and rigidity of the multiple support cross beams between boss and fan hub, disperse the stress concentration area pressure easily generated during injection molding, reduce the risk of deformation.

[0020] Internal annular reinforcing plate and support cross beam cooperate, form three-dimensional mesh reinforcing structure, like giving fan assembly constructs solid "skeleton", greatly improve overall rigidity, effectively resist the deformation caused by material shrinkage, temperature unevenness and other factors during injection molding, ensure fan assembly size precision, avoid the assembly difficult problem caused by deformation, improve production qualified rate and assembly efficiency. DETAILED DESCRIPTION

[0021] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the second perspective three-dimensional structure schematic diagram of the utility model;

[0023] Figure 3 It is the utility modelFigure 1 a front view of the utility model;

[0024] Figure 4 the utility model Figure 2 a partial enlarged structural schematic view of A in the utility model;

[0025] In the figure: 1, fan hub; 2, reinforcing boss; 3, annular reinforcing plate; 4, support crossbeam; 5, hollow groove; 6, driving motor; 7, blade seat; 8, blade main body; 9, reinforcing rib; 10, cavity; 11, mounting bracket; 12, groove; 13, positioning plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-4 The anti-injection deformation automobile fan assembly of the utility model comprises a fan hub 1, a reinforcing boss 2 and a driving motor 6, the reinforcing boss 2 is located at the inner ring of the fan hub 1, and the reinforcing boss 2 is connected with the fan hub 1 through a plurality of support crossbeams 4;

[0028] The fan hub 1 and the reinforcing boss 2 are both hollow structures, and an annular reinforcing plate 3 is fixedly arranged inside the reinforcing boss 2, and the annular reinforcing plate 3 is connected with the support crossbeam 4;

[0029] The reinforcing boss 2 is provided with a hollow groove 5 at the center, the hollow groove 5 is provided with the driving motor 6, the output end of the driving motor 6 is provided with a blade seat 7, a plurality of blade main bodies 8 are arranged on the circumferential side wall of the blade seat 7, and the blade seat 7 and the blade main body 8 are integrated structures;

[0030] A plurality of positioning components are arranged on the circumferential side of the fan hub 1.

[0031] When the anti-injection deformation automobile fan assembly works, the driving motor 6 is used as the core power source, when the temperature of the automobile engine reaches the set threshold value, the control system triggers the driving motor 6 to operate. The driving motor 6 is installed in the hollow groove 5 at the center of the reinforcing boss 2, and the blade seat 7 at the output end of the driving motor 6 drives the blade main body 8 of the integrated structure on the circumferential side to rotate at high speed, air flow is generated through the aerodynamic principle, air flow is accelerated, and forced air is blown through the automobile radiator, so that the engine heat is rapidly dissipated, thereby maintaining the engine working temperature in a reasonable interval.

[0032] In the embodiment, the positioning assembly comprises a mounting bracket 11, the inner side of the mounting bracket 11 is provided with a groove 12, the inner wall of the groove 12 is attached to the outer wall of the fan hub 1, and the mounting bracket 11 is fixed on the outer wall of the fan hub 1, the top of the mounting bracket 11 is provided with a positioning plate 13, and the mounting bracket 11 is in an I-shaped structure.

[0033] During the whole working process, the structures of the components cooperate with each other to ensure the stable operation of the fan assembly. As a key supporting and connecting component, the mounting bracket 11 in the positioning assembly on the circumferential side of the fan hub is stably fixed on the hub by virtue of the groove 12 attached to the outer wall of the hub, and the positioning plate 13 at the top further ensures the accurate installation and positioning of the fan assembly and other components of the automobile. The mounting bracket 11 in an I-shaped structure is designed in an integrated manner with the fan hub, which enhances the stability of the fan assembly during operation and reduces displacement caused by vibration or external force.

[0034] In the embodiment, the inner side of the fan hub 1 is provided with a plurality of reinforcing ribs 9, the bottom end of the reinforcing rib 9 is fixed at the bottom of the fan hub 1, the outer wall of the reinforcing rib 9 contacts the inner wall of the fan hub 1, the reinforcing rib 9 is provided with a cavity 10, and the reinforcing rib 9 is in a triangular structure.

[0035] The triangular structure reinforcing rib 9 on the inner side of the fan hub is fixed at the bottom of the hub, the outer wall is in close contact with the inner wall of the hub, and the internal cavity 10 is designed to reduce weight while effectively improving the bending resistance of the hub by virtue of the stable structural characteristics of the triangular structure, ensuring that the hub structure does not deform during high-speed rotation of the fan and maintaining stable rotation of the blades. The reinforcing boss 2 is located in the inner ring of the hub and is connected to the hub through a plurality of support beams 4, and the internal annular reinforcing plate 3 is connected to the support beam 4. This structure not only disperses stress and prevents deformation during injection molding, but also cooperates with the hub and the reinforcing rib 9 during fan operation to resist centrifugal force and airflow impact force, ensuring the stability of the overall structure of the fan assembly, thereby ensuring efficient and stable operation of the driving motor 6 and the blades.

[0036] Through multi-dimensional structural design, the traditional automobile fan assembly injection deformation problem is effectively solved. The plurality of support beams 4 between the reinforcing boss 2 and the fan hub directly increase the strength and rigidity of the component connection, disperse the stress concentration area prone to occur during the injection molding process, and reduce the risk of deformation; the internal annular reinforcing plate 3 cooperates with the support beam 4 to form a three-dimensional mesh reinforcing structure, like building a solid "skeleton" for the fan assembly, greatly improving the overall rigidity, effectively resisting deformation caused by material shrinkage, temperature unevenness and other factors during injection molding, ensuring the dimensional accuracy of the fan assembly, avoiding the assembly difficulty problem caused by deformation, and improving the production qualification rate and assembly efficiency.

[0037] The fan hub and the reinforcing boss 2 with the hollow structure design effectively reduce the weight of the fan assembly and the energy consumption of the automobile in operation under the premise of ensuring the structural strength; the integrated structure design reduces the number of parts and the connection links, simplifies the production process, and reduces the material loss and processing cost in the production process; at the same time, the stable structure design guarantees the high-efficiency heat dissipation performance of the fan, reduces the engine overheating problem caused by the fan failure, reduces the automobile maintenance cost, and improves the overall performance and economy of the automobile.

[0038] In the description in this document, it should be noted that the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. An injection molded distortion resistant automotive fan assembly, characterized by: Including fan hub (1), reinforcing boss (2) and drive motor (6), the reinforcing boss (2) is located in the inner ring of fan hub (1), the reinforcing boss (2) is connected with fan hub (1) through multiple support beams (4); The fan hub (1) and the reinforcing boss (2) are both hollow structures, and the reinforcing boss (2) is fixedly provided with an annular reinforcing plate (3) inside, and the annular reinforcing plate (3) is connected with the support beam (4); The reinforcing boss (2) is provided with a hollow slot (5) at the center, the hollow slot (5) is provided with a drive motor (6), the output end of the drive motor (6) is provided with a blade seat (7), the circumferential side wall of the blade seat (7) is provided with multiple blade bodies (8), and the blade seat (7) and the blade body (8) are integrated structure; The circumferential side of the fan hub (1) is provided with multiple positioning assemblies.

2. The injection molded deformation resistant automotive fan assembly of claim 1, wherein: The positioning assembly includes a mounting bracket (11), the inner side of the mounting bracket (11) is provided with a groove (12), the inner wall of the groove (12) is attached to the outer wall of the fan hub (1), and the mounting bracket (11) is fixed on the outer wall of the fan hub (1), and the top of the mounting bracket (11) is provided with a positioning plate (13).

3. The injection molded deformation resistant automotive fan assembly of claim 2, wherein: The inner side of the fan hub (1) is provided with multiple reinforcing ribs (9), the bottom end of the reinforcing rib (9) is fixed on the bottom of the fan hub (1), and the outer wall of the reinforcing rib (9) contacts the inner wall of the fan hub (1).

4. The injection molded deformation resistant automotive fan assembly of claim 3, wherein: The reinforcing rib (9) is provided with a cavity (10).

5. The injection molded deformation resistant automotive fan assembly of claim 4, wherein: The reinforcing rib (9) is a triangular structure.

6. The injection molded deformation resistant automotive fan assembly of claim 5, wherein: The mounting bracket (11) is an H-shaped structure.

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