CN221373991U - Heat radiation fan - Google Patents

Abstract

The utility model relates to the technical field of cooling fans, in particular to a cooling fan, which comprises a fan frame main body and fan blades arranged in the fan frame main body, wherein a fixed disk is arranged in the fan frame main body, a plurality of air outlet holes are formed in the fixed disk, the air outlet holes are distributed by taking the center of the fixed disk as the circle center, connecting rods are arranged between the adjacent air outlet holes, a center column is arranged in the middle of the fixed disk surface, a circuit board is sleeved on the center column, the bottom of the circuit board is connected with the fixed disk, the circuit board extends to each connecting rod to form an extension part, a plurality of lamp beads capable of emitting various colors are arranged on each extension part, a stator is sleeved outside the center column and connected with the circuit board, a rotor is arranged in the center column, and the fan blades are connected with the rotor; through the circuit with installation stator and the extension integration of installation lamp pearl together, can save the process when production, improve production efficiency and manufacturing cost, the installation of also being convenient for of integrative setting simultaneously need not to be the same with in the past, needs every lamp strip to install alone.

Description

Heat radiation fan

Technical Field

The utility model relates to the technical field of cooling fans, in particular to a cooling fan.

Background

Fans (or fans) are used in many products, such as industrial equipment, charging piles, computer cabinets, household appliances, etc., and are mainly used for heat dissipation. The existing cooling fan, such as a cooling fan on a computer case, is provided with a luminous light bar for realizing attractive and cool appearance, when the cooling fan is started, the light bar works and can play an attractive role, the light bar is generally arranged on a shell of the fan or a supporting frame of the fan (also called a motor supporting frame), the light bar and a circuit board of the motor are separately arranged, so that the installation and the production process are complicated, the process steps are more, each light bar needs to be connected with the circuit board, and the circuit board is inconvenient to weld.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

A cooling fan comprises a fan frame main body and fan blades arranged in the fan frame main body, wherein a fixed disc is arranged in the fan frame main body, a plurality of air outlet holes are formed in the fixed disc, the air outlet holes are distributed by taking the center of the fixed disc as the center of a circle, connecting rods are arranged between the adjacent air outlet holes, a center pillar is arranged in the middle of the fixed disc surface, a circuit board is sleeved on the center pillar, the bottom of the circuit board is connected with the fixed disc, the circuit board extends to each connecting rod to form an extension part, a plurality of lamp beads capable of emitting multiple colors are arranged on the extension part, a stator is sleeved outside the center pillar and is connected with the circuit board, a rotor is arranged in the center pillar, and the fan blades are connected with the rotor.

Preferably, the outer ends of the extensions are surrounded by a ring of reinforcements connecting the outer ends of the respective extensions.

Preferably, the fixing plate is formed with a groove accommodating the wiring board and the extension portion, and the reinforcement portion.

Preferably, the plurality of air outlet holes are distributed at equal intervals.

Preferably, the air outlet holes are fan-shaped.

Preferably, the reinforcement is integrally formed with the extension.

Compared with the prior art, the utility model has the beneficial effects that: according to the cooling fan, the circuit for installing the stator and the extension part for installing the lamp beads are integrated, so that the working procedures can be saved during production, the production efficiency and the production cost are improved, and meanwhile, the integrated arrangement is convenient for installation, and each lamp strip is not required to be installed independently as in the prior art; in addition, locate the lamp pearl on the fixed disk, the heat that produces when fan operation can walk its during operation.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic exploded view of the present utility model.

Fig. 3 is a schematic structural view of a circuit board according to the present utility model.

Fig. 4 is a schematic diagram of the structure of the groove in the present utility model.

In the figure: 1. a fan frame main body; 2. a fixed plate; 3. an air outlet hole; 4. a connecting rod; 5. a center column; 6. a circuit board; 7. an extension; 8. a lamp bead; 9. a stator; 10. a rotor; 11. a reinforcing part; 12. a groove.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the present utility model, a cooling fan includes a fan frame body 1 and fan blades disposed in the fan frame body 1, a fixed disk 2 is disposed in the fan frame body 1, a plurality of air outlet holes 3 are formed on the fixed disk 2, the plurality of air outlet holes 3 are arranged with a center of the fixed disk 2 as a center, connecting rods 4 are disposed between adjacent air outlet holes 3, a center post 5 is disposed in a middle portion of a surface of the fixed disk 2, a circuit board 6 is sleeved on the center post 5, a bottom portion of the circuit board 6 is connected with the fixed disk 2, the circuit board 6 extends to each connecting rod 4 to form an extension portion 7, it is to be noted that the extension portions 7 are part of the new circuit board 6, a plurality of lamp beads 8 capable of emitting a plurality of colors are disposed on the extension portions 7, a stator 9 is sleeved on the center post 5, the stator 9 is connected with the circuit board 6, and a rotor 10 is disposed in the center post 5, the fan blades are connected with the rotor 10 by integrating the circuit board 6 on which the stator 9 with the extension portions 7 on which the lamp beads 8 are disposed, so that the production efficiency and production cost are improved, and the production cost are not required to be integrally disposed, and the lamp beads are not required to be separately installed; in addition, the lamp beads 8 are arranged on the fixed disc 2, and the fan can take away heat generated during operation.

Further, the outer end of the extension portion 7 is provided with a circle of reinforcing portion 11 which connects the outer ends of the extension portions 7, and the extension portions 7 extend outwards, so that the strength is insufficient, and the reinforcing portions 11 are arranged to connect the outer ends of the extension portions 7 together, so that the strength can be enhanced, and the problems of breakage and the like in the installation process are prevented.

Further, the fixing plate 2 is provided with the grooves 12 for accommodating the circuit board 6, the extending part 7 and the reinforcing part 11, and the circuit board 6 is arranged in the grooves 12, so that the fixing plate is more stable.

Further, the plurality of air outlet holes 3 are distributed at equal intervals.

Further, the air outlet hole 3 is fan-shaped.

Further, the reinforcing portion 11 is integrally formed with the extension portion 7, and the reinforcing portion 11 is integrally formed with the extension portion 7, that is, integrally formed with the wiring board 6, so that the strength thereof can be improved, and the mounting process can be simplified.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (6)

1. A cooling fan is characterized in that the cooling fan comprises a fan frame main body and fan blades arranged in the fan frame main body, a fixed disc is arranged in the fan frame main body, a plurality of air outlet holes are formed in the fixed disc, the air outlet holes are distributed by taking the center of the fixed disc as the center of a circle, connecting rods are arranged between the adjacent air outlet holes, a center pillar is arranged in the middle of the fixed disc surface, a circuit board is sleeved on the center pillar, the bottom of the circuit board is connected with the fixed disc, the circuit board extends to each connecting rod to form an extension part, a plurality of lamp beads capable of emitting multiple colors are arranged on the extension part, a stator is sleeved outside the center pillar and is connected with the circuit board, a rotor is arranged in the center pillar, and the fan blades are connected with the rotor.

2. A radiator fan according to claim 1, wherein the outer ends of the extensions are surrounded by a ring of reinforcing portions connecting the outer ends of the respective extensions.

3. A cooling fan according to claim 2, wherein the fixing plate is formed with grooves for accommodating the wiring board and the extension portion, and the reinforcement portion.

4. A cooling fan according to claim 1, wherein the plurality of air outlet holes are arranged at equal intervals.

5. A cooling fan according to claim 1, wherein the air outlet is fan-shaped.

6. A radiator fan according to claim 2, wherein the reinforcing portion is integrally formed with the extension portion.