Low-noise fan structure

Abstract

The utility model relates to the technical field of fans, and discloses a low-noise fan structure which comprises an installation sleeve shell, a plurality of fan blade assemblies are fixedly installed on the outer surface of the installation sleeve shell, containing grooves are formed in the outer surface of the installation sleeve shell, the number of the containing grooves is four, sliding grooves are formed in the two sides of the inner wall of each containing groove, and the fan blade assemblies are arranged in the sliding grooves. Connecting assemblies are arranged in the containing grooves. The movable plate is in sliding connection with the sliding groove through the sliding block, the movable plate can slide in the containing groove, the movable plate slides to enable the extending plate to drive the connecting plate to move, and when the mounting sleeve shell is mounted, the connecting seats at different positions can be connected through the movable connecting plate, so that the mounting sleeve shell is convenient to use. And the adaptability of installation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a fan structure with low noise. Background Art

[0002] A fan is a household appliance that uses an electric motor to drive the fan blades to rotate to accelerate the flow of air. It is mainly used for relieving heat and circulating air. It generates air flow by rotating the fan blades to promote air flow to reduce the indoor temperature or provide a cool wind feeling.

[0003] The fan blades in the prior art generate relatively large noise during use, which affects the user experience. In view of the above problems, a fan structure with low noise is provided. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fan structure with low noise to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a fan structure with low noise, including an installation housing. A plurality of fan blade assemblies are fixedly installed on the outer surface of the installation housing. A receiving groove is opened on the outer surface of the installation housing. The number of the receiving grooves is fixed at four. Sliding grooves are opened on both sides of the inner wall of the receiving groove. Connection components are arranged inside the receiving grooves;

[0007] Further, the fan blade assembly includes a fan blade body, a reinforcing plate and a notch. The fan blade body is fixedly installed on the outer surface of the installation housing. The reinforcing plate is fixedly installed on the outer surface of the fan blade body. The reinforcing plate is connected to the installation housing. A notch is arranged at one end of the fan blade body;

[0008] Through the design of the notch at the end of the fan blade body 201, the wake vortex can be reduced. The principle of aerodynamics is adopted to reduce air resistance and turbulence, thereby reducing noise. The reinforcing plate 202 is fixed on the fan blade body, increasing the strength and rigidity of the fan blade, preventing deformation or vibration during high-speed rotation, and reducing the noise source;

[0009] Further, the connection component includes a movable plate. The movable plate is arranged inside the receiving groove. Sliders are fixedly installed on both sides of the movable plate. The sliders are slidably connected to the sliding grooves;

[0010] Further, an extension plate is fixedly installed on one side of the movable plate. The number of the extension plates is fixed at two;

[0011] Further, a connecting plate is fixedly installed at one end of the extension plate;

[0012] Further, a threaded connection groove is provided on the outer surface of the connecting plate;

[0013] The movable plate 301 is slidably connected to the sliding groove 102 through the slider 302, so that the movable plate 301 can slide inside the receiving groove 101. When the movable plate 301 slides, the extension plate 303 drives the position of the connecting plate 304 to move. When installing the mounting housing 1, through the movable connecting plate 304, the connecting seats at different positions can be connected, improving the adaptability of the installation.

[0014] The utility model has the following beneficial effects:

[0015] (1) Through the design of the notch at the end of the fan blade body of the utility model, the wake vortex can be reduced. The aerodynamic principle is adopted to reduce air resistance and turbulence, thereby reducing noise. The reinforcing plate is fixed on the fan blade body, increasing the strength and rigidity of the fan blade, preventing deformation or vibration during high-speed rotation, and reducing the noise source.

[0016] (2) Through the sliding connection of the movable plate with the sliding groove by the slider in the utility model, the movable plate can slide inside the receiving groove. When the movable plate slides, the extension plate drives the position of the connecting plate to move. When installing the mounting housing, through the movable connecting plate, the connecting seats at different positions can be connected, improving the adaptability of the installation.

[0017] Of course, it is not necessary for any product implementing the utility model to achieve all the above advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic diagram of one side of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the other side of the overall structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the mounting housing of the utility model;

[0022] Figure 4 For the utility model Figure 3 The enlarged schematic diagram of the structure at A in;

[0023] Figure 5 Schematic diagram of the connection component structure of the present utility model;

[0024] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0025] In the figure: 1. Installation sleeve; 101. Accommodation groove; 102. Slide groove; 2. Fan blade assembly; 201. Fan blade body; 202. Reinforcement plate; 203. Notch; 3. Connection component; 301. Movable plate; 302. Slide block; 303. Extension plate; 304. Connection plate; 305. Threaded connection groove. Specific implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figure 1 - Figure 5 As shown, the present utility model is a low-noise fan structure, including an installation sleeve 1. A plurality of fan blade assemblies 2 are fixedly installed on the outer surface of the installation sleeve 1. An accommodation groove 101 is formed on the outer surface of the installation sleeve 1. The number of the accommodation grooves 101 is fixed at four. Slide grooves 102 are formed on both sides of the inner wall of the accommodation groove 101. A connection component 3 is provided inside each accommodation groove 101;

[0028] The fan blade assembly 2 includes a fan blade body 201, a reinforcement plate 202 and a notch 203. The fan blade body 201 is fixedly installed on the outer surface of the installation sleeve 1. The reinforcement plate 202 is fixedly installed on the outer surface of the fan blade body 201. The reinforcement plate 202 is connected to the installation sleeve 1. A notch 203 is provided at one end of the fan blade body 201;

[0029] Through the design of the notch 203 at the end of the fan blade body 201, the wake vortex can be reduced. The aerodynamic principle is adopted to reduce air resistance and turbulence, thereby reducing noise. The reinforcement plate 202 is fixed on the fan blade body 201, increasing the strength and rigidity of the fan blade, preventing deformation or vibration during high-speed rotation, and reducing the noise source;

[0030] The connection component 3 includes a movable plate 301. The movable plate 301 is arranged inside the accommodation groove 101. Slide blocks 302 are fixedly installed on both sides of the movable plate 301. The slide blocks 302 are slidably connected to the slide grooves 102;

[0031] One side of the movable plate 301 is fixedly installed with extension plates 303, and the number of the extension plates 303 is fixed at two;

[0032] One end of the extension plate 303 is fixedly installed with a connecting plate 304;

[0033] The outer surface of the connecting plate 304 is provided with a threaded connection groove 305;

[0034] The movable plate 301 is slidably connected to the sliding groove 102 through the slider 302, so that the movable plate 301 can slide inside the receiving groove 101. When the movable plate 301 slides, the extension plate 303 drives the position of the connecting plate 304 to move. When installing the mounting housing 1, through the movable connecting plate 304, the connecting seats at different positions can be connected, improving the adaptability of the installation.

[0035] During use, first, through the design of the notch 203 at the end of the fan blade body 201, the wake vortex can be reduced. The aerodynamic principle is adopted to reduce air resistance and turbulence, thereby reducing noise. The reinforcing plate 202 is fixed on the fan blade body 201, increasing the strength and rigidity of the fan blade, preventing deformation or vibration during high-speed rotation, and reducing the noise source. The movable plate 301 is slidably connected to the sliding groove 102 through the slider 302, so that the movable plate 301 can slide inside the receiving groove 101. When the movable plate 301 slides, the extension plate 303 drives the position of the connecting plate 304 to move. When installing the mounting housing 1, through the movable connecting plate 304, the connecting seats at different positions can be connected, improving the adaptability of the installation.

[0036] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor limit the present invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the art in the relevant technical field can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A low-noise fan structure, comprising a mounting casing (1), characterized in that: A plurality of fan blade assemblies (2) are fixedly mounted on the outer surface of the mounting sleeve (1), a receiving groove (101) is provided on the outer surface of the mounting sleeve (1), the number of the receiving grooves (101) is fixed at four, sliding grooves (102) are provided on both sides of the inner wall of the receiving groove (101), and a connecting assembly (3) is provided inside the receiving groove (101).

2. A low-noise fan structure according to claim 1, characterized in that: The fan blade assembly (2) comprises a fan blade body (201), a reinforcement plate (202) and a notch (203); the fan blade body (201) is fixedly mounted on the outer surface of the mounting casing (1); the reinforcement plate (202) is fixedly mounted on the outer surface of the fan blade body (201); the reinforcement plate (202) is connected to the mounting casing (1); and a notch (203) is provided at one end of the fan blade body (201).

3. A low-noise fan structure according to claim 1, characterized in that: The connecting assembly (3) comprises a movable plate (301), the movable plate (301) being arranged inside the accommodating groove (101), and sliding blocks (302) being fixedly mounted on both sides of the movable plate (301), the sliding blocks (302) being slidably connected to the sliding groove (102).

4. A low-noise fan structure according to claim 3, characterized in that: An extension plate (303) is fixedly mounted on one side of the movable plate (301), and the number of the extension plates (303) is fixed at two.

5. A low-noise fan structure according to claim 4, characterized in that: A connecting plate (304) is fixedly mounted on one end of the extension plate (303).

6. A low-noise fan structure according to claim 5, characterized in that: The outer surface of the connecting plate (304) is provided with a threaded connecting groove (305).

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