CN220522847U

CN220522847U - Heat radiation fan

Info

Publication number: CN220522847U
Application number: CN202322225888.6U
Authority: CN
Inventors: 吉靖
Original assignee: Dongguan Kehao Plastic Products Co ltd
Current assignee: Dongguan Kehao Plastic Products Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-02-23
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to the technical field of fans, in particular to a cooling fan, which comprises an outer frame and fan blades, wherein the fan blades are positioned in the outer frame, a main disc is arranged in the outer frame, a plurality of connecting strips are connected between the main disc and the outer frame, a sleeve is arranged at the axle center of the main disc and used for installing a stator, the fan blades comprise a blade cylinder and a plurality of blades fixedly arranged on the peripheral surface of the blade cylinder, a rotor is arranged at the axle center of the blade cylinder and is rotationally connected with the sleeve, a containing groove is formed in the surface of one side of the blade cylinder, facing the main disc, and a plurality of ribs are circumferentially arranged on the inner wall of the containing groove at intervals. The utility model has the effect of high strength.

Description

Heat radiation fan

Technical Field

The present disclosure relates to fans, and particularly to a heat dissipation fan.

Background

A cooling fan is a device for reducing the internal temperature of an electronic device or a computer. It accelerates the transfer and dissipation of heat by generating an air flow, thereby maintaining the normal operating temperature of the device. The heat radiation fan is usually driven by a motor, and sucks air into and discharges air out of the device by the motor, so that air flow is generated, when the temperature inside the device is increased, the fan is started to generate a large amount of air flow through the rotating blades, and heat is taken away, so that the temperature of the device can be effectively reduced, and faults or performance degradation caused by overheat of the device are prevented. In a computer, a heat radiation fan is generally mounted on a Central Processing Unit (CPU), a display card, a power supply, and the like to keep them within a normal temperature range when they are operated. A middle-or large-sized heat radiation fan with higher structural strength is needed at present.

Disclosure of Invention

In order to improve the strength, the utility model provides a cooling fan aiming at the problems in the prior art.

The utility model provides a cooling fan, which adopts the following technical scheme:

the utility model provides a radiator fan, includes frame and flabellum, the flabellum is located in the frame, be provided with the master in the frame, the master with be connected with many connecting strips between the frame, the axle center of master is provided with the sleeve, the sleeve is used for installing the stator, the flabellum include a leaf section of thick bamboo and fixed set up in a plurality of blades of leaf section of thick bamboo outer peripheral face, the axle center of leaf section of thick bamboo is provided with the rotor, the rotor rotate connect in the sleeve, a leaf section of thick bamboo orientation in a side surface of master is provided with the holding tank, the inner wall circumference interval of holding tank is provided with a plurality of fins.

Preferably, a connecting plate is arranged at one end part of the rotor, a fixed block is arranged on the inner wall of the blade cylinder, and the connecting plate is embedded in the fixed block.

Preferably, a bearing is connected between the rotor and the sleeve, the rotor is fixedly connected to an inner ring of the bearing, and an outer ring of the bearing is fixedly connected to the inner wall of the sleeve.

Preferably, the ribs are square.

Preferably, the ribs are provided with chamfers adjacent to the ends of the rotor and the main disk.

Preferably, a rectifying strip is arranged on the surface of one side of the end part of the blade, which is far away from the blade cylinder.

Preferably, the surface of the main disc facing the blade cylinder is provided with a mounting groove, the stator is clamped in the mounting groove, the side wall of the mounting groove is provided with a slot, the slot is communicated with the outer peripheral surface of the main disc, the slot is used for penetrating an electric wire, and the electric wire penetrates through the slot to be electrically connected with the stator.

Preferably, two opposite sides of the side wall of one connecting bar close to the slot are respectively provided with a winding bar, the side wall of the outer frame is provided with an opening, and the electric wire penetrates through the opening and the winding bar.

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

through supplying power to the stator, drive rotor rotates to drive a section of thick bamboo and blade rotate, thereby produce the air current and dispel the heat to equipment, and the fin can improve the structural strength of a section of thick bamboo, makes a section of thick bamboo be difficult for the deformation damage when high-speed rotation.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

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

Fig. 3 is a schematic overall structure of another view of the present utility model.

Fig. 4 is an exploded view of the present utility model.

Fig. 5 is a schematic structural view of a fan blade according to the present utility model.

FIG. 6 is an exploded view of a fan blade according to the present utility model.

In the figure: 1. an outer frame; 11. a main disk; 111. a sleeve; 112. a mounting groove; 113. slotting; 12. a connecting strip; 121. winding a line; 13. opening holes; 2. a fan blade; 21. a leaf cylinder; 211. a receiving groove; 212. a rib; 213. a fixed block; 22. a blade; 221. a rectifying strip; 23. a rotor; 231. a connecting plate;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The embodiment of the utility model discloses a cooling fan, as shown in fig. 1-6, which comprises an outer frame 1, wherein a main disc 11 is arranged in the outer frame 1, the outer frame 1 is square, the main disc 11 is circular, the main disc 11 is positioned in the middle of the outer frame 1, a plurality of connecting strips 12 are connected between the main disc 11 and the outer frame 1, the connecting strips 12 are arranged at intervals along the cylindrical direction of the main disc 11, one end of each connecting strip 12 is fixedly connected to the inner wall of the outer frame 1, and the other end of each connecting strip 12 is fixedly connected to the edge of the main disc 11. The coaxial integrated into one piece in axle center of master 11 has sleeve 111, sleeve 111 is used for installing the stator of motor, the stator is fixed to be cup jointed on sleeve 111, simultaneously the mounting groove 112 has been seted up to the surface that master 11 was directed towards leaf section of thick bamboo 21, the partial joint of stator is in mounting groove 112, slot 113 has been seted up to the lateral wall of mounting groove 112, slot 113 communicates in the outer peripheral face of master 11, slot 113 is used for wearing the electric wire, the electric wire passes in slot 113 electric connection in the stator, simultaneously, be close to one of them connecting strip 12 integrated into one piece of slot 113 has two wire winding strips 121, two wire winding strips 121 are located the both sides that connecting strip 12 are relative, two wire winding strips 121 are arranged along the length direction interval of connecting strip 12, simultaneously, open trompil 13 has been seted up on the frame 1 lateral wall, the electric wire wears to locate between two wire winding strips 121, then pass slot 113 electric connection in the stator thereby to supply power to the stator.

Meanwhile, the fan blades 2 are arranged in the outer frame 1, each fan blade 2 comprises a blade cylinder 21 and a plurality of blades 22 integrally formed on the outer peripheral surface of the blade cylinder 21, the blade cylinder 21 is in a cylindrical shape, the blades 22 are arranged on the outer peripheral surface of the blade cylinder 21 at intervals along the circumferential direction of the blade cylinder 21, a containing groove 211 is formed in one side surface of the blade cylinder 21 facing the main disc 11, a part of a stator is located in the containing groove 211, a rotor 23 is coaxially arranged in the axis of the blade cylinder 21, the rotor 23 is located in the blade cylinder 21, a connecting plate 231 is integrally formed at one end part of the rotor 23, a fixing block 213 is integrally formed on the inner wall of the blade cylinder 21, the connecting plate 231 is embedded in the fixing block 213, and after the connecting plate 231 is arranged on the inner wall of the blade cylinder 21, the fixing block 213 is formed in the blade cylinder 21 through injection molding, so that the connecting plate 231 is embedded in the fixing block 213, and is rotationally fixed on the blade cylinder 21.

In addition, the rotor 23 is movably inserted in the sleeve 111 coaxially, a bearing is connected between the rotor 23 and the sleeve 111, the rotor 23 is fixedly connected with an inner ring of the bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the sleeve 111. When the stator drives the rotor 23 to rotate, the rotor 23 rotates smoothly on the sleeve 111 through the bearing, thereby rotating the blade cylinder 21 and the blades 22, thereby generating an air flow. Meanwhile, a plurality of ribs 212 are integrally formed on the inner wall of the accommodating groove 211 at intervals in the circumferential direction, the ribs 212 are square, and the ribs 212 can improve the structural strength of the blade cylinder 21, so that the blade cylinder 21 is not easy to deform and damage when rotating at a high speed. In addition, ribs 212 are provided with chamfers near the ends of rotor 23 and main disk 11, which can reduce the sharpness of ribs 212; meanwhile, the rectifying strip 221 is integrally formed on the surface of the end part of the blade 22, which is far away from the blade cylinder 21, and the rectifying strip 221 can enable the air flow generated by the blade 22 to be stronger and can improve the strength of the blade 22.

The implementation principle of the cooling fan of the embodiment of the utility model is as follows: by supplying power to the stator, the rotor 23 is driven to rotate, thereby driving the blade cylinder 21 and the blades 22 to rotate, thereby generating air flow to radiate heat to the equipment, and the rib 212 can improve the structural strength of the blade cylinder 21, so that the blade cylinder 21 is not easy to deform and damage when rotating at high speed.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. A cooling fan, characterized in that: including frame (1) and flabellum (2), flabellum (2) are located frame (1), be provided with master (11) in frame (1), master (11) with be connected with many connecting strips (12) between frame (1), the axle center of master (11) is provided with sleeve (111), sleeve (111) are used for installing the stator, flabellum (2) include leaf section of thick bamboo (21) and fixed set up in a plurality of blades (22) of leaf section of thick bamboo (21) outer peripheral face, the axle center of leaf section of thick bamboo (21) is provided with rotor (23), rotor (23) rotate connect in sleeve (111), leaf section of thick bamboo (21) orientation in one side surface of master (11) is provided with holding tank (211), the inner wall circumference interval of holding tank (211) is provided with a plurality of fins (212).

2. A radiator fan according to claim 1, wherein: one end part of the rotor (23) is provided with a connecting plate (231), the inner wall of the blade cylinder (21) is provided with a fixed block (213), and the connecting plate (231) is embedded in the fixed block (213).

3. A radiator fan according to claim 1, wherein: a bearing is connected between the rotor (23) and the sleeve (111), the rotor (23) is fixedly connected with an inner ring of the bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the sleeve (111).

4. A radiator fan according to claim 1, wherein: the ribs (212) are square in shape.

5. A radiator fan according to claim 4, wherein: the ribs (212) are provided with chamfers near the ends of the rotor (23) and the main disk (11).

6. A radiator fan according to claim 1, wherein: a rectifying strip (221) is arranged on the surface of one side of the end part of the blade (22) far away from the blade cylinder (21).

7. A radiator fan according to claim 1, wherein: the main disk (11) is provided with a mounting groove (112) towards the surface of the blade cylinder (21), the stator is clamped in the mounting groove (112), a groove (113) is formed in the side wall of the mounting groove (112), the groove (113) is communicated with the outer peripheral surface of the main disk (11), the groove (113) is used for penetrating an electric wire, and the electric wire penetrates through the groove (113) to be electrically connected with the stator.

8. A radiator fan according to claim 7, wherein: two opposite sides of the side wall of one connecting strip (12) close to the slot (113) are respectively provided with a winding strip (121), the side wall of the outer frame (1) is provided with an opening (13), and the electric wire penetrates through the opening (13) and the winding strip (121).