Air circulation fan with protective cover convenient to disassemble

By designing limiting grooves, fixing grooves, and elastic components in the protective cover of the air circulator fan, the protective cover can be quickly disassembled and installed, solving the problem of cumbersome disassembly in the existing technology and improving cleaning efficiency and installation stability.

CN223938344UActive Publication Date: 2026-02-24SHANGHAI SEN ZHONG ELECTRICAL EQUIP
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Patent Information

Application Number
CN202520772431.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-02-24
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

The process of disassembling and installing the protective cover of existing air circulators is cumbersome, which affects the efficiency of cleaning the fan blades.

Method used

An air circulation fan with an easily removable protective cover was designed. By setting a limiting groove, fixing groove, fixing hole and elastic component between the front and rear protective covers, the front protective cover can be quickly disassembled and installed.

Benefits of technology

The process of removing the protective cover is simplified, the efficiency of fan blade cleaning is improved, and the installation is ensured to be secure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fans, and discloses an air circulation fan with a protective cover convenient to disassemble, which comprises a support rod, a head shaking control component mounted at the top of the support rod, a mounting frame mounted at the top of the head shaking control component, and a protective cover main body mounted on the inner side of the mounting frame and comprising a front protective cover and a rear protective cover, an annular frame is arranged at the bottom of the front face of the rear protective cover, a fixing hole is formed in the middle of the bottom of the annular frame, limiting grooves are formed in the two sides of the top of the annular frame, and a fixing groove is formed in the top of the front face of the rear protective cover. By arranging the front protective cover and the rear protective cover, when the front protective cover needs to be detached, a control block is pulled towards the front side, a connecting block slides towards the front side along the inner side of a sliding groove, and therefore an inserting block is driven to slide towards the inner side of a movable cavity, and meanwhile a spring is compressed; the front protective cover can be disassembled by vertically moving the front protective cover upwards, and the disassembling process is simple and convenient.
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Description

Technical Field

[0001] This utility model relates to the field of fan technology, and more specifically, to an air circulation fan with a protective cover that is easy to disassemble. Background Technology

[0002] An air circulator, also called a fan, is a device that generates airflow through rotating blades. It is designed to help circulate air, enhance indoor ventilation, and improve air quality and comfort. Unlike traditional fans, the main function of an air circulator is to help air circulate evenly throughout the room, thus preventing localized overheating or moisture buildup.

[0003] Over time, the blades of existing fans accumulate a lot of dust, necessitating cleaning. To clean the blades, they must first be disassembled. This involves removing the fan's cover plate first, then detaching the blades from the motor's output shaft. The disassembled blades should be cleaned and then reassembled.

[0004] In existing fans, the front and rear protective covers are typically secured together by a flexible ring frame, and then fixed with a bolt. Alternatively, multiple bolts can be used to connect the front and rear protective covers. Both of these installation and disassembly processes are cumbersome and make it difficult to quickly remove and install the protective covers, thus affecting the cleaning efficiency of the fan blades. Utility Model Content

[0005] To overcome the shortcomings of the prior art, this utility model provides an air circulation fan with a protective cover that is easy to disassemble.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an air circulator fan with an easily detachable protective cover, comprising a support rod, a base fixedly connected to the bottom of the support rod, an oscillation control component mounted on the top of the support rod, an mounting frame mounted on the top of the oscillation control component, a protective cover body mounted inside the mounting frame, the protective cover body comprising a front protective cover and a rear protective cover, an annular frame provided at the bottom of the front of the rear protective cover, a fixing hole provided in the middle of the bottom of the annular frame, limit grooves provided on both sides of the top of the annular frame, a fixing groove provided at the top of the front of the rear protective cover, limit blocks fixedly connected to both sides of the front protective cover, a fixing block fixedly connected to the middle of the bottom of the front protective cover, a sliding groove provided at the top of the front protective cover, a movable cavity provided at the bottom of the inner wall of the sliding groove, an elastic component mounted on the front of the inner wall of the movable cavity, an insert fixedly connected to the back of the elastic component, a connecting block fixedly connected to the top of the insert, and a control block fixedly connected to the top of the connecting block.

[0007] As a preferred embodiment of this utility model, support blocks are fixedly connected to all four sides of the bottom of the base, and rubber pads are fixedly connected to the bottom of the support blocks.

[0008] As a preferred embodiment of this utility model, the fixing hole and the fixing block are adapted to each other, and the bottom edge of the fixing block is provided with a chamfer.

[0009] As a preferred technical solution of this utility model, the limiting block and the limiting groove are adapted to each other, and the bottom edge of the limiting block is provided with a chamfer.

[0010] As a preferred embodiment of this utility model, the insert block and the fixing groove are adapted to each other, and the back side of the bottom of the insert block is provided with an inclined surface.

[0011] In a preferred embodiment of this invention, the connecting block is slidably sleeved with the sliding groove, and the movable cavity is slidably sleeved with the insert block.

[0012] As a preferred embodiment of this utility model, the elastic component includes a fixed tube fixedly connected to the inner wall of the movable cavity, a movable rod movably sleeved on the inner side of the fixed tube, the back of the movable rod being fixedly connected to the surface of the insert block, and a spring movably sleeved on the outer side of the fixed tube.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model has a front protective cover and a rear protective cover. When the front protective cover needs to be disassembled, the control block is pulled forward, and the connecting block slides forward along the inner side of the slide groove, thereby driving the insert block to slide into the inner side of the movable cavity. At the same time, the spring is compressed. When the insert block separates from the inner side of the fixed groove, the front protective cover can be moved vertically upward to complete the disassembly of the front protective cover. The disassembly process is simple and convenient.

[0015] 2. This utility model features a front protective cover and a rear protective cover. When installing the front protective cover, the back of the front protective cover is aligned with the front of the rear protective cover. Then, the front protective cover is moved vertically downwards. When the inclined surface at the bottom of the insert block is squeezed into the interior of the movable cavity by the top of the rear protective cover, the insert block and the fixing groove are in the same horizontal direction when the front protective cover is in place. Under the pushing force of the spring, the insert block is inserted into the interior of the fixing groove, while the fixing block is inserted into the interior of the fixing hole and the limiting block is inserted into the interior of the limiting groove. This achieves quick installation of the front protective cover with good installation stability. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2This is a schematic diagram of the base structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the main structure of the protective cover of this utility model;

[0019] Figure 4 This is a schematic diagram of the rear protective cover structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the front protective cover structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of the front protective cover of this utility model;

[0022] Figure 7 This is a schematic diagram of the elastic component structure of this utility model.

[0023] In the diagram: 1. Support rod; 101. Base; 111. Support block; 112. Rubber pad; 102. Oscillating control component; 103. Mounting frame; 2. Protective cover body; 201. Front protective cover; 211. Fixing block; 212. Limiting block; 213. Movable cavity; 214. Slide groove; 215. Elastic component; 2151. Fixing tube; 2152. Movable rod; 2153. Spring; 216. Insert block; 217. Connecting block; 218. Control block; 202. Rear protective cover; 221. Annular frame; 222. Fixing hole; 223. Limiting groove; 224. Fixing groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1 to 7As shown, this utility model provides an air circulator fan with an easily detachable protective cover, including a support rod 1. A base 101 is fixedly connected to the bottom of the support rod 1. An oscillation control assembly 102 is installed on the top of the support rod 1. A mounting frame 103 is installed on the top of the oscillation control assembly 102. A protective cover body 2 is installed inside the mounting frame 103. The protective cover body 2 includes a front protective cover 201 and a rear protective cover 202. An annular frame 221 is provided at the bottom of the front of the rear protective cover 202. A fixing hole 222 is opened in the middle of the bottom of the annular frame 221. Limiting grooves 223 are opened on both sides of the top of the annular frame 221. A fixing groove 224 is opened at the top of the front of the rear protective cover 202. The front protective cover 201... Limiting blocks 212 are fixedly connected to both sides of the front protective cover 201. A fixing block 211 is fixedly connected to the middle of the bottom of the front protective cover 201. A sliding groove 214 is opened on the top of the front protective cover 201. A movable cavity 213 is opened at the bottom of the inner wall of the sliding groove 214. An elastic component 215 is installed on the front of the inner wall of the movable cavity 213. An insert block 216 is fixedly connected to the back of the elastic component 215. A connecting block 217 is fixedly connected to the top of the insert block 216. A control block 218 is fixedly connected to the top of the connecting block 217. The insert block 216 and the fixing groove 224 are mutually adapted. An inclined surface is provided on the back of the bottom of the insert block 216. The connecting block 217 is slidably sleeved with the sliding groove 214. The movable cavity 213 is slidably sleeved with the insert block 216.

[0026] In this embodiment, when the front protective cover 201 needs to be disassembled, the control block 218 is pulled forward, and the connecting block 217 slides forward along the inner side of the slide groove 214, thereby driving the insert block 216 to slide into the inner side of the movable cavity 213. At the same time, the spring 2153 is compressed. When the insert block 216 separates from the inner side of the fixing groove 224, the front protective cover 201 can be disassembled by moving it vertically upward. The disassembly process is simple and convenient.

[0027] When the front protective cover 201 needs to be installed, the back of the front protective cover 201 should be aligned with the front of the rear protective cover 202. Then, the front protective cover 201 should be moved vertically downwards. When the inclined surface of the bottom of the insert block 216 is squeezed into the interior of the movable cavity 213 by the top of the rear protective cover 202, when the front protective cover 201 is installed in place, the insert block 216 and the fixing groove 224 are in the same horizontal direction. Under the pushing force of the spring 2153, the insert block 216 is inserted into the interior of the fixing groove 224. At the same time, the fixing block 211 is inserted into the interior of the fixing hole 222, and the limiting block 212 is inserted into the interior of the limiting groove 223. This achieves the quick installation of the front protective cover 201 and ensures good installation stability.

[0028] Among them, support blocks 111 are fixedly connected to all four sides of the bottom of the base 101, and rubber pads 112 are fixedly connected to the bottom of the support blocks 111.

[0029] Rubber pad 112 increases the contact area with the ground, improves friction, and makes the fan stable.

[0030] The fixing hole 222 and the fixing block 211 are adapted to each other, and the bottom edge of the fixing block 211 is provided with a chamfer.

[0031] The beveled bottom of the fixing block 211 makes it easier to insert the fixing block 211 into the fixing hole 222, and avoids the fixing block 211 from bumping against the surface of the ring frame 221 during installation.

[0032] The limiting block 212 and the limiting groove 223 are adapted to each other, and the bottom edge of the limiting block 212 is provided with a chamfer.

[0033] By cooperating with the limiting groove 223 and the limiting block 212, the front and rear positions of both sides of the front protective cover 201 can be limited.

[0034] The elastic component 215 includes a fixed tube 2151 fixedly connected to the inner wall of the movable cavity 213, a movable rod 2152 movably sleeved on the inner side of the fixed tube 2151, the back of the movable rod 2152 being fixedly connected to the surface of the insert block 216, and a spring 2153 movably sleeved on the outer side of the fixed tube 2151.

[0035] Spring 2153 exerts a backward pushing force on insert 216, thereby making insert 216 stably inserted into the fixing slot 224.

[0036] Working principle and usage process of this utility model:

[0037] When the front protective cover 201 needs to be disassembled, pull the control block 218 forward. The connecting block 217 slides forward along the inner side of the slide groove 214, thereby driving the insert block 216 to slide into the inner side of the movable cavity 213. At the same time, the spring 2153 is compressed. When the insert block 216 separates from the inner side of the fixing groove 224, the front protective cover 201 can be disassembled by moving it vertically upward. The disassembly process is simple and convenient.

[0038] When the front protective cover 201 needs to be installed, the back of the front protective cover 201 should be aligned with the front of the rear protective cover 202. Then, the front protective cover 201 should be moved vertically downwards. When the inclined surface of the bottom of the insert block 216 is squeezed into the interior of the movable cavity 213 by the top of the rear protective cover 202, when the front protective cover 201 is installed in place, the insert block 216 and the fixing groove 224 are in the same horizontal direction. Under the pushing force of the spring 2153, the insert block 216 is inserted into the interior of the fixing groove 224. At the same time, the fixing block 211 is inserted into the interior of the fixing hole 222, and the limiting block 212 is inserted into the interior of the limiting groove 223. This achieves the quick installation of the front protective cover 201 and ensures good installation stability.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air circulator fan with a removable protective cover, comprising a support rod (1), characterized in that: The bottom of the support rod (1) is fixedly connected to a base (101), and the top of the support rod (1) is equipped with a sway control assembly (102). The top of the sway control assembly (102) is equipped with a mounting frame (103), and the inner side of the mounting frame (103) is equipped with a protective cover body (2). The protective cover body (2) includes a front protective cover (201) and a rear protective cover (202). The bottom of the front of the rear protective cover (202) is provided with an annular frame (221). A fixing hole (222) is opened in the middle of the bottom of the annular frame (221). Limit grooves (223) are opened on both sides of the top of the annular frame (221). The front of the rear protective cover (202) is... A fixing groove (224) is provided at the top. Limiting blocks (212) are fixedly connected to both sides of the front protective cover (201). A fixing block (211) is fixedly connected to the middle of the bottom of the front protective cover (201). A sliding groove (214) is provided at the top of the front protective cover (201). A movable cavity (213) is provided at the bottom of the inner wall of the sliding groove (214). An elastic component (215) is installed on the front of the inner wall of the movable cavity (213). An insert block (216) is fixedly connected to the back of the elastic component (215). A connecting block (217) is fixedly connected to the top of the insert block (216). A control block (218) is fixedly connected to the top of the connecting block (217).

2. The air circulator fan with an easily removable protective cover according to claim 1, characterized in that: Support blocks (111) are fixedly connected to the bottom of the base (101) around its perimeter, and rubber pads (112) are fixedly connected to the bottom of the support blocks (111).

3. An air circulator fan with a removable protective cover according to claim 1, characterized in that: The fixing hole (222) is adapted to the fixing block (211), and the bottom edge of the fixing block (211) is provided with a chamfer.

4. An air circulator fan with a removable protective cover according to claim 1, characterized in that: The limiting block (212) and the limiting groove (223) are adapted to each other, and the bottom edge of the limiting block (212) is provided with a chamfer.

5. An air circulator fan with a removable protective cover according to claim 1, characterized in that: The insert (216) is adapted to the fixing groove (224), and the bottom back of the insert (216) is provided with an inclined surface.

6. An air circulator fan with an easily removable protective cover according to claim 1, characterized in that: The connecting block (217) is slidably sleeved with the slide groove (214), and the movable cavity (213) is slidably sleeved with the insert block (216).

7. An air circulator fan with a removable protective cover according to claim 1, characterized in that: The elastic component (215) includes a fixed tube (2151) fixedly connected to the inner wall of the movable cavity (213), a movable rod (2152) is movably sleeved on the inner side of the fixed tube (2151), the back of the movable rod (2152) is fixedly connected to the surface of the insert block (216), and a spring (2153) is movably sleeved on the outer side of the fixed tube (2151).