Air guide structure of fan

Abstract

The air guide structure comprises a fan protective cover, an air guide mounting shell and an air guide ring, a heat dissipation protective cover is connected to the lower portion of the fan protective cover, a heat dissipation connecting plate is arranged at the joint of the heat dissipation protective cover and the fan protective cover, a plurality of sets of heat dissipation holes are formed in the outer side of the heat dissipation protective cover, and the fan protective cover is connected with the air guide ring. A fan body is arranged in the fan protective cover, fan blades are connected to the side, away from the heat dissipation protective cover, of the fan body, the air guide mounting shell is connected to the side, away from the heat dissipation protective cover, of the fan protective cover, and the air guide ring is connected to the side, away from the fan protective cover, of the air guide mounting shell. The air guide ring comprises an air guide plate and an air guide pipe, the air guide plate is connected to the end, away from the air guide mounting shell, of the air guide pipe, and the air guide structure is convenient to mount and dismount, so that the air guide structure is convenient to maintain and adjust, the air guide direction is more concentrated, and noise generated by air blowing in the air guide process can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fan equipment, in particular to an air guide structure of a fan. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. However, the wind blown out by a general fan is too dispersed and difficult to concentrate, which causes energy loss during the use of the fan.

[0003] The patent retrieved with application number CN202011630064.1 proposes an air guide structure, a fan structure and an air conditioner, so that the direction of the airflow changes relatively smoothly when passing through the curved air guide section, which has a good guiding effect and is not prone to turbulence or backflow. It can avoid the pressure pulsation of the air flow on the air guide structure due to unstable airflow, thereby eliminating noise.

[0004] Similar to the above-mentioned air guide structure, fan structure and air conditioner, although it makes the direction of the airflow change more gradually when passing through the curved air guide section, it has a good guiding effect and is not prone to turbulence or backflow. It can avoid the pressure pulsation of the airflow on the air guide structure caused by unstable airflow, thereby eliminating noise, but its air guide structure can be disassembled, which is not convenient for subsequent maintenance and adjustment. In addition, its single air guide structure may make the air guide direction not concentrated enough, and it will affect the air guide effect if it is damaged.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and an air guide structure of a fan is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide an air guide structure for a fan to solve the problem that an air guide structure, a fan structure and an air conditioner mentioned in the above background, wherein the air guide structure can be disassembled, which is not convenient for later maintenance and adjustment, and the air guide structure is single, which may make the air guide direction not concentrated enough, and may affect the air guide effect when damaged.

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an air guide structure of a fan, comprising a fan protective cover, an air guide mounting shell and an air guide ring, a heat dissipation protective cover is connected to the bottom of the fan protective cover, a heat dissipation connecting plate is provided at the connection between the heat dissipation protective cover and the fan protective cover, and a plurality of heat dissipation holes are provided on the outer side of the heat dissipation protective cover, a fan body is provided in the fan protective cover, and a fan blade is connected to the side of the fan body away from the heat dissipation protective cover, the air guide mounting shell is connected to the side of the fan protective cover away from the heat dissipation protective cover, and a mounting connecting plate is provided at the connection between the air guide mounting shell and the fan protective cover, the air guide ring is connected to the side of the air guide mounting shell away from the fan protective cover, the air guide ring comprises an air guide plate and an air guide duct, and the air guide plate is connected to one end of the air guide duct away from the air guide mounting shell.

[0008] Preferably, an air guide plate connecting ring is provided inside one end of the fan protective cover close to the air guide mounting shell, an air outlet is provided on the inner side of the air guide plate connecting ring, and a plurality of groups of No. 1 wind shields are provided inside the air guide plate connecting ring, the plurality of groups of No. 1 wind shields are all inclined to one side, and a plurality of groups of No. 2 wind shields are connected between the plurality of groups of No. 1 wind shields.

[0009] Preferably, an air guide mounting plate is provided at the connection between the air guide ring and the air guide mounting shell, the mounting connecting plate and the heat dissipation connecting plate are connected to the fan shield by bolts, and the air guide mounting plate and the air guide mounting shell are connected by bolts.

[0010] Preferably, an air guide duct is provided in the air guide plate and the air guide pipe, the air guide duct is trumpet-shaped, and the diameter of the air guide duct at one end close to the air guide plate is larger than that at one end close to the air guide mounting plate, and a sealing gasket is provided in the air guide mounting plate.

[0011] Preferably, a sound insulation gasket is connected to the inner side of the air guide duct, and a fixed installation groove is provided in the air guide duct, and a connecting ring is connected between the fixed installation groove and the sound insulation gasket.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the wind guide structure is easy to install and disassemble, so it is easy to repair and adjust the wind guide structure, the wind guide direction is more concentrated, and the noise generated by the wind can be reduced during the wind guide process. The specific contents are as follows:

[0013] When the wind flows through the fan guard, it is exhausted outward through the air outlet at the center of the air guide plate connecting ring, and when the wind flows through the air guide connecting ring, multiple groups of No. 1 wind shields and No. 2 wind shields blow air to the air outlet in a concentrated manner. When the wind flows through the air guide duct, the air is blown outward from the air guide duct, and the horn-shaped structure of the air guide duct divides the wind flow into low pressure areas and high pressure areas, thereby making the wind flow more concentrated, and when the wind flows through the air guide duct, the sound insulation gasket slows down the impact of the wind flow on the inner wall of the air guide duct, thereby reducing the noise generated when the wind flows, and the air guide connection structure is easy to disassemble and install, which is convenient for subsequent repair and maintenance, and prevents the wind flow from being unable to be concentrated due to changes in the air guide structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the main body of the wind guide structure of a fan of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the main body installation and connection structure of the wind guide structure of a fan according to the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of a fan protection cover of a wind guide structure of a fan in a top view according to the utility model;

[0017] Figure 4 This is a structural schematic diagram of an air guide ring of an air guide structure of a fan according to the utility model;

[0018] Figure 5 It is a schematic structural diagram of an air guide installation shell of an air guide structure of a fan according to the utility model, viewed from above;

[0019] Figure 6 The utility model is a schematic structural diagram of the side section of an air guide ring of an air guide structure of a fan.

[0020] In the figure: 1. fan protective cover; 11. air guide plate connecting ring; 12. No. 1 wind shield; 13. No. 2 wind shield; 14. air outlet; 2. heat dissipation protective cover; 21. heat dissipation holes; 22. heat dissipation connecting plate; 3. air guide mounting shell; 31. mounting connecting plate; 4. fan body; 41. fan blades; 5. air guide ring; 51. air guide plate; 511. air guide duct; 512. fixed mounting groove; 513. sound insulation gasket; 514. connecting ring; 52. air guide duct; 53. air guide mounting plate; 54. sealing gasket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 6 The utility model provides a technical solution: an air guide structure of a fan, comprising a fan protective cover 1, an air guide mounting shell 3 and an air guide ring 5, a heat dissipation protective cover 2 is connected to the bottom of the fan protective cover 1, a heat dissipation connecting plate 22 is provided at the connection between the heat dissipation protective cover 2 and the fan protective cover 1, and a plurality of heat dissipation holes 21 are provided on the outer side of the heat dissipation protective cover 2, a fan body 4 is provided in the fan protective cover 1, and a fan blade 41 is connected to the side of the fan body 4 away from the heat dissipation protective cover 2, the air guide mounting shell 3 is connected to the side of the fan protective cover 1 away from the heat dissipation protective cover 2, and a mounting connecting plate 31 is provided at the connection between the air guide mounting shell 3 and the fan protective cover 1, the air guide ring 5 is connected to the side of the air guide mounting shell 3 away from the fan protective cover 1, the air guide ring 5 comprises an air guide plate 51 and an air guide pipe 52, and the air guide plate 51 is connected to one end of the air guide pipe 52 away from the air guide mounting shell 3.

[0023] The air guide ring 5 is installed on the fan shield 1 through the air guide mounting shell 3, and the air guide mounting shell 3 is connected to the fan shield 1 through the mounting connecting plate 31. The fan shield 1 is used to install and protect the fan body 4. The fan body 4 blows air outwards through the fan blades 41, and the heat generated by the fan body 4 in the fan shield 1 is dissipated outwards through the heat dissipation holes 21 on the heat dissipation protective cover 2. The heat dissipation protective cover 2 is connected to the fan shield 1 through the mounting connecting plate 31, and the wind flow is discharged outwards through the guidance of the air guide ring 5, and the wind flow is discharged from the wind guide plate 51 through the air guide pipe 52.

[0024] An air guide plate connecting ring 11 is arranged inside one end of the fan protective cover 1 close to the air guide mounting shell 3, an air outlet 14 is arranged on the inner side of the air guide plate connecting ring 11, and a plurality of groups of No. 1 wind shields 12 are arranged inside the air guide plate connecting ring 11, the plurality of groups of No. 1 wind shields 12 are all inclined to one side, and a plurality of groups of No. 2 wind shields 13 are connected between the plurality of groups of No. 1 wind shields 12, the fan protective cover 1 exhausts air outward through the air outlet 14 at the center of the air guide plate connecting ring 11, and when the wind flows through the air guide connecting ring 11, the plurality of groups of No. 1 wind shields 12 and the No. 2 wind shields 12 blow air toward the air outlet 14 in a concentrated manner.

[0025] An air guide mounting plate 53 is provided at the connection between the air guide ring 5 and the air guide mounting shell 3. The mounting connecting plate 31 and the heat dissipation connecting plate 22 are connected to the fan protective cover 1 by bolts, and the air guide mounting plate 53 and the air guide mounting shell 3 are connected by bolts. The air guide ring 5 is connected to the air guide mounting shell 3 through the air guide mounting plate 53, and is installed and disassembled through the air guide mounting plate 53. The air guide mounting shell 3 can be installed and disassembled on the fan protective cover 1 through the mounting connecting plate 31, and the heat dissipation protective cover 2 can be installed and disassembled on the fan protective cover 1 through the heat dissipation connecting plate 22.

[0026] The wind guide plate 51 and the wind guide pipe 52 are provided with a wind guide duct 511, which is horn-shaped, and the diameter of the wind guide duct 511 at one end close to the wind guide plate 51 is larger than that at the end close to the wind guide mounting plate 53, and a sealing gasket 54 is provided in the wind guide mounting plate 53, and a sound insulation gasket 513 is connected to the inner side of the wind guide duct 511, and a fixed installation groove 512 is provided in the wind guide duct 511, and a connecting ring 514 is connected between the fixed installation groove 512 and the sound insulation gasket 513, and the wind guide mounting plate 53 is connected to the fan protective cover 1 through the sealing gasket 54. 4 makes the connection sealed to prevent the wind from escaping from the connection. When the wind flows through the wind guide duct 511, the wind is blown outward from the wind guide duct 511. The trumpet-shaped structure of the wind guide duct 511 divides the wind into a low pressure area and a high pressure area, so that the wind is more concentrated. When the wind flows through the wind guide duct 511, the sound insulation gasket 513 slows down the impact of the wind on the inner wall of the wind guide duct 511, thereby reducing the noise generated when the wind flows. The sound insulation gasket 513 can be pressed into the fixed installation groove 512 through the connecting ring 514, so that the sound insulation gasket 513 is connected more tightly.

[0027] Working principle: When using a wind guide structure of a fan, first, the heat dissipation protective cover 2 can be connected to the fan protective cover 1 through the heat dissipation connecting plate 22, and the wind guide mounting shell 3 can be installed and disassembled on the fan protective cover 1 through the mounting connecting plate 31, and the wind guide ring 5 is connected to the wind guide mounting shell 3 through the wind guide mounting plate 53, and the wind guide mounting plate 53 is connected to the fan protective cover 1. After being connected to the fan protective cover 1, the connection is sealed by the sealing gasket 54 to prevent the wind from escaping from the connection. The fan body 4 blows outwards through the fan blades 41, and the wind passes through the wind guide mounting shell 3 and blows outwards from the wind guide ring 5, and the heat generated by the fan body 4 in the fan protective cover 1 is dissipated outwards through the heat dissipation holes 21 on the heat dissipation protective cover 2.

[0028] When the wind flows through the fan protection cover 1, it is exhausted outward through the air outlet 14 at the center of the air guide plate connecting ring 11, and when the wind flows through the air guide connecting ring 11, multiple groups of No. 1 wind shields 12 and No. 2 wind shields 12 blow air to the air outlet 14 in a concentrated manner, and when the wind flows through the air guide duct 511, the air is blown outward from the air guide duct 511, and the trumpet-shaped structure of the air guide duct 511 divides the wind flow into a low pressure area and a high pressure area, thereby making the wind flow more concentrated, and when the wind flows through the air guide duct 511, the sound insulation gasket 513 slows down the impact of the wind flow on the inner wall of the air guide duct 511, thereby reducing the noise generated when the wind flows.

Claims

1. A wind guide structure for a fan, comprising a fan protection cover (1), a wind guide mounting shell (3) and a wind guide ring (5), characterized in that: A heat dissipation protection cover (2) is connected to the lower part of the fan protection cover (1); a heat dissipation connection plate (22) is provided at the connection between the heat dissipation protection cover (2) and the fan protection cover (1); and a plurality of heat dissipation holes (21) are provided on the outer side of the heat dissipation protection cover (2); a fan body (4) is provided inside the fan protection cover (1); and a fan blade (41) is connected to the side of the fan body (4) away from the heat dissipation protection cover (2); and the wind guide mounting shell (3) The fan shield (1) is connected to a side thereof away from the heat dissipation shield (2), and a mounting connection plate (31) is provided at the connection between the wind guide mounting shell (3) and the fan shield (1). The wind guide ring (5) is connected to a side thereof away from the fan shield (1), and the wind guide ring (5) comprises a wind guide plate (51) and a wind guide duct (52), and the wind guide plate (51) is connected to an end of the wind guide duct (52) away from the wind guide mounting shell (3).

2. The wind guide structure of a fan according to claim 1, characterized in that: An air guide plate connecting ring (11) is arranged inside one end of the fan protective cover (1) close to the air guide mounting shell (3), an air outlet (14) is arranged inside the air guide plate connecting ring (11), and a plurality of groups of No. 1 wind shields (12) are arranged inside the air guide plate connecting ring (11), the plurality of groups of No. 1 wind shields (12) are all inclined to one side, and a plurality of groups of No. 2 wind shields (13) are connected between the plurality of groups of No. 1 wind shields (12).

3. The wind guide structure of a fan according to claim 2, characterized in that: An air guide mounting plate (53) is provided at the connection between the air guide ring (5) and the air guide mounting shell (3); the mounting connection plate (31) and the heat dissipation connection plate (22) are connected to the fan protective cover (1) via bolts, and the air guide mounting plate (53) and the air guide mounting shell (3) are connected via bolts.

4. The wind guide structure of a fan according to claim 3, characterized in that: An air guide duct (511) is provided inside the air guide plate (51) and the air guide pipe (52); the air guide duct (511) is trumpet-shaped, and the diameter of the end of the air guide duct (511) close to the air guide plate (51) is larger than the diameter of the end close to the air guide mounting plate (53); and a sealing gasket (54) is provided inside the air guide mounting plate (53).

5. The wind guide structure of a fan according to claim 4, characterized in that: A sound insulation gasket (513) is connected to the inner side of the air guide duct (511), and a fixed installation groove (512) is provided in the air guide duct (511), and a connecting ring (514) is connected between the fixed installation groove (512) and the sound insulation gasket (513).

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