Novel exhaust fan with surface net

By setting a protective surface net between the fan motor of the exhaust fan and the fan blade, and combining the folding air guide plate, the existing exhaust fan's insufficient wind power and inconvenient installation are solved, achieving stronger exhaust effect and convenience of use.

CN222950089UActive Publication Date: 2025-06-06GUANGDONG SHUNDE TRANSTEC ELECTRIC CO LTD
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Patent Information

Application Number
CN202421765282.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-06-06
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The existing exhaust fans lack protective structures between the fan motor and the fan blade, resulting in inconvenient structure of the installation cover and lighting belt, and insufficient wind power affects the exhaust effect.

Method used

A new exhaust fan with a surface mesh is designed. By setting a protective surface mesh between the fan motor and the fan blade, and combining with the folding air guide plate, the overall smoothness and safety of use are improved.

Benefits of technology

It improves the overall aesthetics and convenience of use of exhaust fans, while enhancing the exhaust effect, strong applicability and good practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel exhaust fan with a surface net, which comprises an exhaust seat and a Y-shaped support fixed on the exhaust seat, a fan motor is fixed at the center of the Y-shaped support, a protective surface net is fixed on the Y-shaped support through screws, and the fan motor is positioned between the Y-shaped support and the protective surface net; fan blades are arranged on the side, away from the exhaust base, of the protective face net and fixed to a main shaft of a fan motor. A protective net cover is buckled on the protective surface net, and a plurality of folding air guide plates are arranged on the side face, away from the fan motor, of the exhaust base. The folding air guide plate is driven by airflow of the fan blades to rotate and be opened. The fan is reasonable in structural arrangement, the protective surface net is arranged between the fan motor and the fan blades and matched with the folding air guide plate, the overall use stability and safety are improved, the overall attractiveness is high, meanwhile, the fan is convenient to disassemble and assemble, disassembly, assembly and maintenance operation is facilitated, the overall exhaust effect can be improved, and the service life of the fan is prolonged. And the applicability and the practicability are high.
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Description

Technical Field

[0001] The utility model belongs to the technical field of exhaust fans, and in particular relates to a novel exhaust fan with a surface net. Background Art

[0002] The exhaust fan is a common household appliance structure, which generally includes a shell, a fan motor, fan blades and a cover. The fan motor drives the fan blades to rotate, thereby realizing the exhaust operation. Although it can meet the general usage requirements, there is no corresponding protective structure between the fan motor and the fan blades, so it is not conducive to the installation of the cover and the lighting strip structure. At the same time, the fan blades are mainly composed of a central axis and a number of blades on the outer ring of the central axis. Not only is the aesthetics limited, but the wind force is also limited, which will also affect the exhaust effect, so the applicability and practicality are limited. Summary of the invention

[0003] The utility model aims to provide a novel exhaust fan with a surface net which has a reasonable structure and is conducive to improving the exhaust effect.

[0004] The technical solution to achieve the purpose of the utility model is a novel exhaust fan with a surface net, including an exhaust seat, a Y-shaped bracket fixed on the exhaust seat, a fan motor is fixed at the center of the Y-shaped bracket, a protective surface net is fixed on the Y-shaped bracket by screws, the fan motor is between the Y-shaped bracket and the protective surface net, and the main shaft of the fan motor passes through the protective surface net;

[0005] A fan blade is arranged on one side of the protective surface mesh away from the exhaust seat, and the fan blade is fixed on the main shaft of the fan motor;

[0006] A protective net cover is buckled on the protective surface net, and the fan blades are located between the protective surface net and the protective net cover;

[0007] A plurality of folding air guide plates are arranged on the side of the exhaust seat away from the fan motor;

[0008] The foldable wind guide plate rotates and opens under the drive of the airflow of the fan blades.

[0009] It is further preferred that: the fan blades include a central circular body, a plurality of first fan blades integrally formed on the outer circular edge of the central circular body, a connecting circular ring integrally formed on the outer end edge of the first fan blades, and a second fan blade integrally formed on the outer circular edge of the connecting circular ring;

[0010] The central circular body is fixed on the main shaft of the fan motor.

[0011] It is further preferred that: the inclination angle of the first fan blade is smaller than the inclination angle of the second fan blade.

[0012] It is further preferred that the number of the first fan blades is less than the number of the second fan blades.

[0013] It is further preferred that: a plurality of buckle holes are provided on the inner wall of the protective surface net;

[0014] A buckle protrusion matched with the buckle hole position is integrally formed on the outer wall of the protective net cover;

[0015] The protective mesh cover is located inside the protective surface net and is positioned by snapping the snap protrusion into the snap hole.

[0016] Further preferably, an annular light strip is provided on the exhaust seat, and the annular light strip is located at the edge of the Y-shaped bracket.

[0017] It is further preferred that the exhaust seat, the protective surface mesh and the protective mesh cover are all plastic structures.

[0018] Further preferably, a plurality of V-shaped ribs are provided on the protective mesh cover.

[0019] The utility model has positive effects: the structure of the utility model is reasonably arranged, a protective surface net is arranged between the fan motor and the fan blades, and a folding wind guide plate is provided, which is beneficial to improving the overall stability and safety of use, and the overall aesthetics is strong. At the same time, it is convenient to disassemble and assemble, which is conducive to disassembly and assembly maintenance operations, and can also improve the overall exhaust effect. It has strong applicability and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the exhaust seat in the utility model.

[0024] Figure numerals: exhaust seat 1, Y-shaped bracket 2, protective surface net 3, fan blade 4, central circular body 41, first fan blade 42, connecting ring 43, second fan blade 44, protective mesh cover 5, folding air guide plate 6, snap hole 7, snap protrusion 8, annular light strip 9. DETAILED DESCRIPTION

[0025] 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. Example

[0026] See Figures 1 to 3 As shown, a new type of exhaust fan with a surface mesh includes an exhaust seat 1, a Y-shaped bracket 2 fixed on the exhaust seat, a fan motor is fixed at the center of the Y-shaped bracket, a protective surface mesh 3 is fixed to the Y-shaped bracket by screws, the fan motor is located between the Y-shaped bracket and the protective surface mesh, and the main shaft of the fan motor is arranged through the protective surface mesh; wherein the fan motor is a conventional structure of the prior art, which is simply used and therefore not recorded in detail, and the Y-shaped bracket is mainly used to facilitate the fixing of the fan motor, while also ensuring the effectiveness of exhaust.

[0027] In actual application, a fan blade 4 is provided on the side of the protective surface mesh away from the exhaust seat, and the fan blade is fixed on the main shaft of the fan motor; and a protective mesh cover 5 is buckled on the protective surface mesh, and the fan blade is located between the protective surface mesh and the protective mesh cover; a plurality of folding air guide plates 6 are provided on the side of the exhaust seat away from the fan motor; the folding air guide plates rotate and open under the airflow of the fan blades. In this embodiment, the protective mesh cover is connected by a buckle method, which is convenient for disassembly and maintenance operations. At the same time, the exhaust seat, the protective surface mesh and the protective mesh cover are all plastic structures. In addition, a plurality of V-shaped ribs are provided on the protective mesh cover.

[0028] In actual application, the fan blades include a central circular body 41, a plurality of first fan blades 42 integrally formed on the outer circumference of the central circular body, a connecting ring 43 integrally formed on the outer end of the first fan blades, and a second fan blade 44 integrally formed on the outer circumference of the connecting ring; the central circular body is fixed on the main shaft of the fan motor. The fan blades with the above structure are not only more beautiful, but also have greater wind force, and are also conducive to improving the safety and reliability of use. Since the first fan blades and the second fan blades are shorter in length, they are not easy to break or damage, which increases the service life.

[0029] In actual application, the inclination angle of the first fan blade is smaller than the inclination angle of the second fan blade. The number of the first fan blades is smaller than the number of the second fan blades.

[0030] Moreover, in actual application, a plurality of snap holes 7 are arranged on the inner wall of the protective surface net; at the same time, snap convex blocks 8 matching the snap holes are integrally formed on the outer wall of the protective net cover; during assembly, the protective net cover is placed inside the protective surface net and is positioned by snapping the snap convex blocks into the snap holes, thereby improving the stability and convenience of assembly.

[0031] In actual application, the exhaust seat is provided with an annular light strip 9, which is located at the edge of the Y-shaped bracket. Through the above structure, hidden lighting can be realized, the overall aesthetics is improved, and the lighting function is also provided.

[0032] The utility model has positive effects: the structure of the utility model is reasonably arranged, a protective surface net is arranged between the fan motor and the fan blades, and a folding wind guide plate is provided, which is beneficial to improving the overall stability and safety of use, and the overall aesthetics is strong. At the same time, it is convenient to disassemble and assemble, which is conducive to disassembly and assembly maintenance operations, and can also improve the overall exhaust effect. It has strong applicability and good practicality.

[0033] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0034] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A novel exhaust fan with a mesh, comprising an exhaust seat, a Y-shaped bracket fixed on the exhaust seat, a fan motor fixed at the center of the Y-shaped bracket, characterized in that: A protective surface net is fixed on the Y-shaped bracket by screws, the fan motor is located between the Y-shaped bracket and the protective surface net, and the main shaft of the fan motor passes through the protective surface net; A fan blade is arranged on one side of the protective surface mesh away from the exhaust seat, and the fan blade is fixed on the main shaft of the fan motor; A protective net cover is buckled on the protective surface net, and the fan blades are located between the protective surface net and the protective net cover; A plurality of folding air guide plates are arranged on the side of the exhaust seat away from the fan motor; The foldable wind guide plate rotates and opens under the drive of the airflow of the fan blades.

2. A novel exhaust fan with a mesh according to claim 1, characterized in that: The fan blades include a central circular body, a plurality of first fan blades integrally formed on the outer circular edge of the central circular body, a connecting circular ring integrally formed on the outer end edge of the first fan blades, and a second fan blade integrally formed on the outer circular edge of the connecting circular ring; The central circular body is fixed on the main shaft of the fan motor.

3. A novel exhaust fan with a mesh according to claim 2, characterized in that: The inclination angle of the first fan blade is smaller than the inclination angle of the second fan blade.

4. A novel exhaust fan with a mesh according to claim 3, characterized in that: The number of the first fan blades is less than the number of the second fan blades.

5. A novel exhaust fan with a mesh according to claim 1, characterized in that: A plurality of buckle holes are arranged on the inner wall of the protective surface net; A buckle protrusion matched with the buckle hole position is integrally formed on the outer wall of the protective net cover; The protective mesh cover is located inside the protective surface net and is positioned by snapping the snap protrusion into the snap hole.

6. A novel exhaust fan with a mesh according to claim 1, characterized in that: An annular light strip is arranged on the exhaust seat, and the annular light strip is located at the edge of the Y-shaped bracket.

7. A novel exhaust fan with a surface screen according to claim 6, characterized in that: The exhaust seat, the protective surface net and the protective net cover are all plastic structures.

8. The novel exhaust fan with a surface screen according to claim 1 is characterized in that: The protective net cover is provided with a plurality of V-shaped ribs.