Cooling rotating device and cooling fan

Abstract

The utility model belongs to the technical field of heat dissipation fans, and particularly relates to a heat dissipation rotating device and a heat dissipation fan. A mounting cavity is formed in the supporting body; a mounting groove is further formed in the inner wall of the supporting body; the mounting groove is communicated with the mounting cavity; all the fin bodies are connected to the outer side surface of the supporting body. According to the utility model, the assembling stability can be improved; the material consumption of the support body can be reduced, so that the overall weight is reduced, and the stability of the overall structure is ensured; and the use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat dissipation fan technical field especially relates to a heat dissipation rotating device and heat dissipation fan. BACKGROUND

[0002] The application of fan has many kinds according to specific heat dissipation demand. Taking computer industry as an example, there is the case that a desktop computer has the case fan that provides fresh air for the case, has the radiator fan that provides heat exchange for CPU, GPU radiator, has the built-in fan that provides air cooling heat dissipation for power supply, and also has the mainboard auxiliary heat dissipation fan that provides heat dissipation for mainboard MOS power supply unit. Different applications put forward different demands to the performance of fan. Air volume and air pressure and the air volume-air pressure (P-Q curve) curve characteristics combined are one of the core indexes for measuring the performance of heat dissipation fan. At the same time, the fan that realizes low noise work with lower rotating speed or excellent aerodynamic structure design is also another important parameter for measuring the performance of fan.

[0003] However, the assembly mode between the heat dissipation rotating device and the shell of most existing heat dissipation fans is abutment assembly, and the stability of this mode is poor, and the phenomenon of falling off is easy to appear, so as to affect the stability of operation. CONTENT OF UTILITY MODEL

[0004] The utility model discloses to the deficiency of prior art, provide a kind of heat dissipation rotating device, can solve the technical problem of poor assembly stability of prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A heat dissipation rotating device, comprising a support body and at least one fin body; the support body is provided with an installation cavity; the inner wall of the support body is further provided with an installation slot; the installation slot is in communication with the installation cavity; all the fin bodies are connected to the outer surface of the support body.

[0007] Preferably, the depth of the installation slot is less than the depth of the installation cavity;

[0008] Wherein, the height difference between the top position of the installation slot and the top position of the installation cavity is h, h satisfies: 0.6mm≤h≤2.3mm.

[0009] Preferably, the inner wall of the support body is further provided with a limiting slot; the limiting slot is in communication with the lower part of the installation slot.

[0010] Preferably, the inside of the installation cavity is provided with an installation body; the inside of the installation body is provided with an installation hole; the installation hole is in communication with the installation cavity; and the installation hole is used for assembling and connecting with the positioning column.

[0011] Preferably, the mounting body is a mounting bump; the mounting bump is arranged protruding from the inner bottom of the support body towards the mounting cavity; and the mounting hole is arranged penetrating through the mounting bump away from the side end of the support body.

[0012] Preferably, the support body is further provided with a reinforcing protrusion inside; the reinforcing protrusion is arranged on the inner wall surface of the support body.

[0013] Preferably, the support body comprises a support side ring and a support plate; the support plate is connected to the inside of the support side ring, and the mounting cavity is formed between the support plate and the support side ring; the mounting groove is arranged on the inner side wall of the support side ring; the fin body is arranged on the outer side wall of the support side ring.

[0014] Preferably, one side surface of the fin body is provided with a protruding surface;

[0015] And / or, the other side surface of the fin body is provided with a recessed surface.

[0016] Preferably, the recessed surface is provided with a tooth-shaped surface.

[0017] The utility model discloses still a kind of radiating fans, including the radiating rotating device of the described.

[0018] The utility model has the advantages that the mounting groove and the mounting cavity are arranged in the inside of the support body and are communicated with each other, so that the inside of the support body forms a stepped structure, thereby facilitating to improve the stability of the assembly part of the mold core or the radiating fan and the assembly thereof. BRIEF DESCRIPTION OF DRAWINGS

[0019] The features, advantages and technical effects of the exemplary embodiments of the utility model will be described below with reference to the accompanying drawings. Figures 1-4

[0020] Figure 1 It is the sectional view of the radiating rotating device of one embodiment of the utility model;

[0021] Figure 2 It is the top view of the radiating rotating device of one embodiment of the utility model;

[0022] Figure 3 It is the local enlarged view of the radiating rotating device of one embodiment of the utility model;

[0023] Figure 4 It is the bottom view of the radiating rotating device of one embodiment of the utility model.

[0024] ​In the figure: 1 - support body; 101 - support side ring; 102 - support plate; 11 - mounting cavity; 12 - mounting groove; 121 - limiting groove; 13 - reinforcing protrusion; 14 - positioning hole; 2 - fin body; 21 - protruding surface; 22 - recessed surface; 221 - toothed surface; 3 - mounting body; 31 - mounting protrusion; 311 - mounting hole; 4 - positioning column. DETAILED DESCRIPTION

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of terms "including" and "comprising" and variations thereof, such as "comprise", "comprises" and "comprised of" in the specification and claims and the analogous phrases "including is," "comprising is" and "comprised of is," are not meant to exclude or to be limited to the elements listed.

[0026] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified.

[0027] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The occurrence of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a separate or alternative embodiment to the other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with each other.

[0028] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which means that A exists alone, A and B exist together, and multiple cases exist alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0029] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0030] The following will be described in detail in conjunction with the drawingsFigures 1-4 The utility model makes further detailed description, but not as the limitation of the utility model.

[0031] As Figure 1 Indicated, in the utility model an embodiment, the heat dissipation rotating device, including support body 1 and at least one fin body 2, support body 1 is equipped with installation cavity 11 in, the top of installation cavity 11 is equipped with opening, the opening is communicated with the outside of support body 1 arrangement, the inner wall of support body 1 is further equipped with installation groove 12, installation groove 12 is communicated with installation cavity 11 arrangement, all fin body 2 is connected to the outside surface of support body 1.

[0032] The utility model discloses the technical scheme of the inside of support body is equipped with the installation groove and installation cavity that communicate with each other, to make the inside of support body form the ladder structure, to improve the stability of the assembly part of mould core or heat dissipation fan and its assembly, and also can reduce the material use of support body by the design of installation groove, to reduce the overall weight, and ensure the stability of assembly, improve the use efficiency.

[0033] Specifically, in some embodiments, as Figure 1 And 2 Indicated, in the horizontal direction of support body 1, installation groove 12 is recessed to the inner wall of support body 1 and is arranged along the inner wall of support body 1 around.Setting, installation groove 12 is annularly recessed along the inner wall of support body 1, to increase the assembly contact area, to improve the stability of the assembly part of mould core or heat dissipation fan and its assembly, improve the use efficiency.Further, in some embodiments, as Figure 1 Indicated, the depth of installation groove 12 is less than the depth of installation cavity 11, and the height difference between the boundary position of installation groove 12 towards the opening and the position of opening is h, h satisfies: 0.6cm≤h≤2.3cm, preferably 1.3cm.That is, through the limiting action between installation groove 12 and the structure of support body 1 at its top, the stability of assembly can be ensured, and the convenience of assembly and disassembly is ensured.

[0034] Specifically, in some embodiments, as Figure 1 And 3 Indicated, the inner wall of support body 1 is further equipped with limit slot 121, and limit slot 121 is communicated and arranged below installation groove 12.The structure is pushed into assembly after the assembly part of mould core or heat dissipation fan is pushed into assembly by installation groove 12, then the assembly part of mould core or heat dissipation fan is pushed down towards limit slot 121, to realize further limiting assembly effect, so that the stability of assembly can be ensured, and the convenience of assembly and disassembly is ensured.

[0035] Specifically, in some embodiments, as Figure 1 And2 As shown in the figure, the inside of the installation cavity 11 is provided with an installation body 3; the inside of the installation body 3 is provided with an installation hole 311; the installation hole 311 is arranged in communication with the installation cavity 11; and the installation hole 311 is used for assembly connection with the positioning column 4. Among them, as shown in the figure, Figure 2 As shown in the figure, the installation body 3 is an installation protrusion 31; the installation protrusion 31 is arranged protruding from the inner bottom of the support body 1 towards the installation cavity 11; and the installation hole 311 is arranged through the installation protrusion 31 away from the side end of the support body 1. Further, the installation protrusion 31 is selected to have a structure of a truncated cone or a cylinder, etc. That is, through the clamping assembly of the structure of the truncated cone or the cylinder or the prism and its installation hole 311 with the positioning column 4, the stability of the assembly can be improved, and the convenience of assembly and disassembly can be ensured.

[0036] Specifically, in some embodiments, as shown in the figure, Figure 1 and 2 As shown in the figure, the support body 1 is also provided with a reinforcing protrusion 13; the reinforcing protrusion 13 is arranged on the inner wall surface of the support body 1 which is not the installation groove 12. Among them, the number of reinforcing protrusions 13 is at least two, and the reinforcing protrusions 13 are arranged around and equidistantly on the inner bottom of the support body 1. Further, the reinforcing protrusions 13 are arranged annularly and equidistantly along the central axis of the inner bottom of the support body 1. This structure can improve the stability of the structure through the reinforcing support of the reinforcing protrusion 13 to the structure of the support body 1, thereby ensuring the stability of the assembly and improving the use efficiency.

[0037] Specifically, in some embodiments, as shown in the figure, Figure 1 and 4 As shown in the figure, the support body 1 comprises a support side ring 101 and a support plate 102; the support plate 102 is connected to the inside of the support side ring 101, and the installation cavity 11 is formed between the support plate 102 and the support side ring 101; the installation groove 12 is arranged on the inner side wall of the support side ring 101; and the fin body 2 is arranged on the outer side wall of the support side ring 101. Among them, the reinforcing protrusion 13 is arranged on the inner side surface of the support plate 102; and the support side ring 101 and the support plate 102 form an H-shaped or U-shaped structure. This structure can ensure the assembly stability of the fin body 2 and the reinforcing protrusion 13 through the synergistic effect of the support side ring 101 and the support plate 102, thereby improving the stability of the structure, further ensuring the stability of the assembly, and improving the use efficiency.

[0038] Specifically, in some embodiments, as shown in the figure, Figure 2 and 4 As shown in the figure, the support plate 102 is provided with at least one positioning hole 14; and the positioning hole 14 is arranged through the thickness direction of the support plate 102. Among them, the positioning hole 14 is arranged between the two adjacent reinforcing protrusions 13. This structure can improve the assembly convenience between the positioning hole 14 and other components; and also can ensure the stability of the structure and improve the use efficiency.

[0039] Specifically, in some embodiments, as shown in Figure 1 and 2 shown, one side surface of the fin body 2 is provided with a convex surface 21; the other side surface of the fin body 2 is provided with a concave surface 22. That is, the concave surface 22 is arranged on the two side surfaces of the fin body 2 opposite to the convex surface 21, so as to form a sickle-shaped fin body 2; so as to ensure the amount and speed of the airflow formed by the rotation thereof. As shown in Figure 4 shown, the concave surface 22 is provided with a toothed surface 221; the teeth of the toothed surface 221 are selected to be irregular shapes or cross sections of triangular or trapezoidal teeth.

[0040] The utility model also proposes a heat dissipation fan, this heat dissipation fan includes heat dissipation rotating device, the specific structure of this heat dissipation rotating device refers to above-mentioned embodiment, because this heat dissipation fan has adopted all technical schemes of above-mentioned all embodiments, therefore at least has all beneficial effects brought by the technical scheme of above-mentioned embodiment, here will not repeat again.

[0041] Among them, the heat dissipation fan is usually composed of a fan blade (heat dissipation rotating device), a fan frame, a driving motor and the like; the airflow with specific characteristics is formed by the rotation of the fan blade (heat dissipation rotating device) to meet the need of forced convection heat exchange. The fan blade is usually composed of a plurality of independent blades connected into a group through a motor housing. The single blade is usually designed by the combination of specific length, radian, angle and curvature to form a solid body with different curved surfaces in three-dimensional space. The plurality of blades jointly form the core part of the aerodynamic structure of the heat dissipation fan.

[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and the skilled person in the art should understand the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by the skilled person.

[0043] According to the disclosure and teaching of the above description, the skilled person in the art of the present utility model can also make changes and modifications to the above embodiments. Therefore, the present utility model is not limited to the above specific embodiments, and any obvious improvement, replacement or modification made by the skilled person in the art on the basis of the present utility model belongs to the protection scope of the present utility model. In addition, although some specific terms are used in the present specification, these terms are only for the convenience of description and do not constitute any limitation on the present utility model.

Claims

1. A heat dissipating rotating device, characterized by: The heat dissipation rotating device comprises a support body and at least one fin body; the support body is internally provided with a mounting cavity; the inner wall of the support body is further provided with a mounting groove; the mounting groove is in communication with the mounting cavity; and all the fin bodies are connected to the outer surface of the support body.

2. The heat dissipating rotating device of claim 1, wherein: The depth of the mounting groove is less than the depth of the mounting cavity. The height difference between the top of the mounting groove and the top of the mounting cavity is h, and h satisfies: 0.6㎝≤h≤2.3㎝.

3. The heat dissipating rotating device according to claim 1 or 2, wherein: The inner wall of the support body is further provided with a limiting groove; the limiting groove is in communication with the mounting groove below.

4. The heat dissipating rotating device of claim 1, wherein: The mounting cavity is internally provided with a mounting body; the mounting body is internally provided with a mounting hole; the mounting hole is in communication with the mounting cavity; and the mounting hole is used for assembling and connecting with a positioning column.

5. The heat dissipating rotating device of claim 4, wherein: The mounting body is a mounting protrusion; the mounting protrusion is protruded from the inner bottom of the support body towards the mounting cavity; and the mounting hole is arranged through the mounting protrusion away from the side end of the support body.

6. The heat dissipating rotating device of claim 1, wherein: The support body is further provided with a reinforcing protrusion; the reinforcing protrusion is arranged on the inner wall surface of the support body.

7. The heat dissipating rotating device according to claim 1 or 6, wherein: The support body comprises a support side ring and a support plate; the support plate is connected to the inside of the support side ring, and the mounting cavity is formed between the support plate and the support side ring; the mounting groove is arranged on the inner side wall of the support side ring; and the fin body is arranged on the outer side wall of the support side ring.

8. The heat dissipating rotating device of claim 1, wherein: One side surface of the fin body is provided with a protruding surface. And / or, the other side surface of the fin body is provided with a recessed surface.

9. The heat dissipating rotating device of claim 8, wherein: The recessed surface is internally provided with a tooth-shaped surface.

10. A heat dissipating fan characterized by: The heat dissipation rotating device comprises the heat dissipation rotating device according to any one of claims 1 to 9.

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